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Short answer: The US K01M-generation BALMUDA The Toaster is a premium, bread-first toaster oven. Its 5cc steam process and separately controlled upper and lower heaters are designed to give toast a crisp surface and moist interior, while its compact chamber is easy to place on a counter. Independent testing by RTINGS found stable temperature, but also slow preheating, limited capacity and less cooking flexibility than larger compact ovens. Buy it for excellent everyday toast, pastries and small pizzas—not as a replacement for a full-size or air-frying toaster oven.
Model and market matter. This review covers the US K01M family (K01M-KG, K01M-WS and K01M-GW). BALMUDA Japan announced redesigned Japanese models KTT02JP and KTT03JP on September 29, 2026; no US launch date or US model number for that redesign is established here.
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What BALMUDA The Toaster is—and who it is for
The original BALMUDA The Toaster is a compact toaster oven built around bread. BALMUDA’s US specifications list dedicated settings for Sandwich Bread, Artisan Bread, Pizza and Pastry, plus a general Oven mode. The design prioritizes controlled heating in a small cavity rather than maximum capacity or a long list of cooking functions.
That focus makes sense if your routine is two slices of toast at breakfast, reheating a croissant without drying it out, or warming a single slice of pizza. It is a poor fit if you regularly bake in standard pans, cook for several people at once or expect an air-fry function. RTINGS describes its tested unit as “a very small toaster oven primarily intended for toasting bread and reheating items like pastries or a slice of pizza.”
#1 Best Overall
- STEAM TECHNOLOGY - Add 5 cc of water to generate steam that crisps bread and pastries while sealing in flavor and moisture.
- PRECISE TEMPERATURE CONTROL - Three distinct heating zones ensure the perfect balance of a savory, crisp outside and a fluffy, moist inside.
- VERSATILE COOKING MODES - Shokupan, Golden Toast, Pizza, Croissant, Oven (350°F, 400°F, 450°F), and Salamander Grill.
- PROFESSIONAL SALAMANDER GRILL MODE - Powerful top-down heat replicates a broiler, ideal for caramelizing, searing, and finishing foods at home.
- REFINED COMPACT DESIGN - A sleek, space-saving form that enhances kitchen performance while blending effortlessly into any aesthetic.
US model numbers covered here
| Model | Listed finish | Generation and market |
|---|---|---|
| K01M-KG | Black | Original US K01M generation |
| K01M-WS | White | Original US K01M generation |
| K01M-GW | Gray | Original US K01M generation |
Check the model code on a retailer listing and the carton before ordering. A Japanese KTT-series product is not automatically the same appliance as a US K01M model, and the measurements, electrical requirements and included accessories can differ by market.
How the steam system works
For the steam feature, you pour 5cc of water into the supplied measuring cup and add it at the start of a toast cycle. BALMUDA says the water becomes steam in the heating chamber, helping the outside brown while retaining moisture inside. The appliance also uses separately controlled upper and lower heaters, with the balance changing by mode.
The steam-and-heater description is BALMUDA’s explanation of the mechanism, not independent proof that every recipe will taste better. In practical terms, it means an extra water step for the modes that use steam. If you skip the water, you are not using the product as designed for that steam cycle; follow the printed manual for the exact placement and operating sequence.
What the steam feature can and cannot do
- It is aimed at the texture of bread and other baked goods, especially a browned exterior with a less-dried center.
- It does not turn the appliance into a pressure steamer or a countertop convection oven.
- Steam does not increase the cooking chamber’s physical size; a large loaf, pan or batch still will not fit.
- Because water is part of the process, keep the 5cc cup nearby and allow the appliance to cool before cleaning according to the manual.
Specifications and counter-space requirements
These are the manufacturer’s US-listed specifications for the original K01M generation:
| Specification | BALMUDA The Toaster (K01M US) |
|---|---|
| External dimensions | 14.1 × 12.6 × 8.2 inches |
| Internal dimensions | 10.7 × 8.0 × 7.0 inches |
| Maximum bread height | 2.2 inches |
| Weight | Approximately 10.2 pounds |
| Rated power | 1,300 W |
| Oven temperature settings | 350°F, 400°F and 450°F |
| Included items | 5cc cup, toasting rack, baking pan, manual and guidebook |
| Rack positions | One position reported by RTINGS for its tested unit |
| Timer maximum | 15 minutes reported by RTINGS for its tested unit |
Leave clearance around the appliance as required by the manual, and measure the shelf height rather than relying only on the 8.2-inch exterior figure. The interior is 10.7 inches wide and 8.0 inches deep, but usable space is constrained by the rack and the 2.2-inch bread-height limit. A 1,300 W countertop appliance should be connected to an outlet and circuit suitable for that load; avoid an overloaded extension strip.
Rank #2
- STEAM TECHNOLOGY - Add 5 cc of water to generate steam that crisps bread and pastries while sealing in flavor and moisture.
- PRECISE TEMPERATURE CONTROL - Three distinct heating zones ensure the perfect balance of a savory, crisp outside and a fluffy, moist inside.
- VERSATILE COOKING MODES - Shokupan, Golden Toast, Pizza, Croissant, Oven (350°F, 400°F, 450°F), and Salamander Grill.
- PROFESSIONAL SALAMANDER GRILL MODE - Powerful top-down heat replicates a broiler, ideal for caramelizing, searing, and finishing foods at home.
- REFINED COMPACT DESIGN - A sleek, space-saving form that enhances kitchen performance while blending effortlessly into any aesthetic.
What fits inside?
RTINGS found room for a couple of bread slices, a sandwich or an 8-inch pizza. It could not accommodate a standard 9 × 9-inch cake pan. That distinction is more useful than the exterior dimensions alone: your cookware, not just the appliance footprint, determines whether it can replace your current oven for a recipe.
Good matches
- Two slices of sandwich bread or artisan bread.
- A single sandwich or other small portion.
- An 8-inch pizza or one slice that needs reheating.
- A pastry or croissant that you want warmed without using a large oven.
- Small dishes that fit on the supplied baking pan and stay below the cavity’s height limit.
Likely mismatches
- 9 × 9-inch square baking pans and other standard bakeware larger than the chamber.
- Family-size pizza, multiple sandwiches or a full sheet of food.
- Tall casseroles, loaves or dishes exceeding the 2.2-inch bread-height reference.
- Recipes that require convection airflow or an air-fry basket.
Modes and everyday operation
The US product page lists five named food programs and an Oven mode. The food programs are intended to tune heating for the item rather than ask you to set a temperature from scratch.
| Mode | Best use | What to keep in mind |
|---|---|---|
| Sandwich Bread | Standard sliced bread | Use the supplied 5cc water measure when the steam process is called for. |
| Artisan Bread | Crustier, denser or irregularly shaped bread | Check the 2.2-inch height limit before starting. |
| Pizza | A small pizza or a slice | An 8-inch pizza is the size RTINGS reports fitting. |
| Pastry | Croissants and similar baked goods | Capacity is suited to one or a few small portions, not a tray of pastries. |
| Oven | General heating and baking within the cavity | Choose 350°F, 400°F or 450°F; cookware still has to fit. |
A practical first-use sequence
- Confirm that the appliance is the US K01M version and place it with the ventilation clearance specified in its manual.
- Put the rack or baking pan in the single rack position and center food so it does not touch the heating elements.
- For a steam program, measure 5cc of water with the supplied cup and add it as directed by the manual.
- Select the food mode that matches the item, or select Oven and one of the listed temperatures.
- Set a time no longer than the appliance’s 15-minute maximum reported by RTINGS; use another cycle when a recipe needs longer.
- Check browning and internal temperature before serving. The small cavity can brown a surface quickly even when the center needs more time.
- Remove the rack or pan with heat protection, let the unit cool and clean it according to BALMUDA’s instructions.
The exact knob or button sequence is model-specific, so use the supplied manual for control labels and cleaning restrictions rather than guessing from a different market’s guide.
Independent performance: strengths and limitations
RTINGS published its original review on February 7, 2025 and recorded updates through September 3, 2026. Its findings apply to the unit and generation it tested, not automatically to the later Japanese redesign.
Stable temperature
Temperature stability is the clearest performance strength in RTINGS’ assessment. Consistent heat is useful when you are reheating delicate pastry or trying to repeat the same toast result, although stability does not overcome the chamber’s size limits.
Rank #3
- SLEEK & COMPACT SIZE – Measures 14.1" W x 12.6" D x 8.2" H, a space-saving design that complements your kitchen with BALMUDA’s elegant, minimalist style.
- VERSATILE - BALMUDA The Toaster serves as a comprehensive solution for all your toasting needs. From sandwich breads to artisan bread and pastries, this oven toaster offers 5 distinct cooking modes.
- REVOLUTIONARY TECHNOLOGY - Heating more rapidly than air, a thin layer of steam envelops the bread, lightly toasting its surface, while keeping its inner moisture and flavor from escaping.
- PRECISE TEMPERATURE REGULATION - Precise control of three temperature zones creates superb contrasts of flavor and texture: crisp and savory on the surface, moist and fluffy inside.
- TASTE, AROMA, & TEXTURE - Use BALMUDA The Toaster variety of modes to bring out the best in every kind of food. Artisan Bread Mode, Sandwich Bread Mode, Pizza Mode, Pastry Mode, and Oven Mode.
Slow preheating
RTINGS reports that the oven preheats slowly for such a small toaster oven and says it will not be the fastest choice for reheating leftovers. If speed is your priority, include preheating in your routine and avoid assuming that a compact cavity reaches cooking temperature instantly.
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No convection or air frying
The tested unit has no convection mode and no fan for air frying. Heat comes from the upper and lower elements rather than a circulating-air system. Foods that depend on rapid airflow, a crisp air-fried coating or even circulation around a full tray need a different appliance.
Small capacity and one rack position
The compact chamber is convenient on a crowded counter, but it limits quantity and cookware. RTINGS reports one rack position and enough room for about two slices, a sandwich or an 8-inch pizza. Those constraints are central to the product, not minor inconveniences.
Original Toaster versus Toaster Pro
The Toaster Pro keeps nearly the same compact footprint while changing the mode set and preheating behavior. BALMUDA’s US page lists the Pro at $379; prices and stock can change. The company lists a Pro Baking Tray with Rack separately at $34.90, and the surfaced product result showed that accessory as sold out at that time. The original Toaster includes a baking pan, so do not buy the Pro tray as a requirement for K01M owners.
| Decision point | Original Toaster (K01M US) | Toaster Pro (US listing) |
|---|---|---|
| Footprint | 14.1 × 12.6 × 8.2 inches | 14.1 × 12.8 × 8.2 inches |
| Rated power | 1,300 W | 1,300 W |
| Named modes | Sandwich Bread, Artisan Bread, Pizza, Pastry and Oven | Shokupan, Golden Toast, Pizza, Croissant, Oven and Salamander Grill |
| Special high-heat finish | Not listed | Salamander Grill mode |
| Preheating | RTINGS reports slow preheating | RTINGS says it preheats significantly faster than the original |
| Included baking pan | Included according to BALMUDA’s US specification page | Not included according to the comparison; Pro tray is optional |
| RTINGS overall score | Not stated in the cited material | 5.7 in RTINGS’ September 2026 review |
RTINGS’ Pro review describes good baking and reheating but limited capacity, no air frying and uneven toast browning in some use. Its 5.7 score is a review rating, not a survey result or a measure of overall consumer satisfaction.
Rank #4
- PERFECTLY BROWNED: Choose from 7 different shade settings for the perfect amount of crunch for your toast.
- 3 COOKING MODES: Use the bagel function for that perfect crunchy-chewy ratio or defrost to add just enough time for crispy toaster waffles. LED indicator lights illuminate to highlight your chosen setting.
- BETTER BAGELS: Bagel mode toasts the cut side of your bagel and warms the outer crust; this setting is great for English muffins as well.
- SAFER TOASTING: This toaster’s anti-jam function turns off the appliance if any food gets caught or stuck inside; no more burnt toast.
- EASY-CLEANING: The removable crumb tray simply slides out to clean up crumbs and the sleek black toaster finish wipes up simply and looks classy on the countertop.
When the Pro premium makes sense
- You value faster preheating and can accept nearly the same small chamber.
- You specifically want Salamander Grill mode for a high-heat finishing step.
- You prefer the Pro’s named bread programs and are comfortable purchasing its tray separately if needed.
When the original is the more rational choice
- Your priority is straightforward toast, pastry and small-pizza reheating.
- You want the baking pan included rather than an additional accessory purchase.
- You do not need faster preheating or a dedicated broiling-style finish.
The 2026 Japanese redesign: what is known and what is not
On September 29, 2026, BALMUDA Japan announced a full redesign for release in Japan. The Toaster is identified as KTT02JP and The Toaster Pro as KTT03JP. Japanese tax-included launch prices are ¥39,600 and ¥46,200, respectively. The announcement adds Sourdough and Steam Deli modes and combines two previous modes into a Bakery mode.
The same announcement describes a Japan purchase promotion running from September 29 through November 30, 2026, with applications accepted through December 7. Those dates and terms are for the stated Japanese market and eligibility; they are not a US offer.
US manufacturer pages surfaced for this review continue to show the prior US product-generation information, including the K01M specifications and the US Toaster Pro listing. No official US launch date or US model number for the redesign is established here. If you are buying in the United States, verify the model code, voltage, warranty coverage and price with BALMUDA US before assuming that a Japanese KTT product is current or compatible.
Buying checklist
- Measure the counter: allow for the 14.1-inch width, 12.6-inch depth and 8.2-inch height of the original, plus the manual’s required clearance.
- Measure your cookware: a 9 × 9-inch cake pan does not fit in RTINGS’ tested unit; an 8-inch pizza does.
- Count portions: two slices, a sandwich or one small pizza are realistic use cases. Plan another appliance for family-size batches.
- Choose your cooking style: bread and reheating favor BALMUDA; convection, air frying and standard-pan baking favor a roomier oven.
- Decide whether speed matters: the Pro preheats faster according to RTINGS, while the original is reported as slow for its size.
- Check accessories: the original includes a baking pan; the Pro’s baking tray with rack is a separate $34.90 listing and was shown as sold out in the surfaced result.
- Confirm generation and region: distinguish US K01M models from Japan’s KTT02JP and KTT03JP redesign before paying.
- Budget for power: the original is rated at 1,300 W, so use a suitable outlet and avoid overloading the circuit.
Common questions before purchase
How many slices of bread fit?
BALMUDA’s Pro FAQ says it comfortably fits two slices. That answer is specific to the Pro FAQ; the original K01M has a similarly compact chamber, but do not treat the statement as a guarantee for every model, bread shape or arrangement.
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BALMUDA’s Pro FAQ attributes a click from the inside rear to the heater relay switching on and off. The FAQ is written for the Pro, so consult the manual or support for a different model if the sound is accompanied by an error, burning odor or failure to heat.
Best Value
- Designed for BALMUDA The Toaster Pro - Made exclusively to fit and perform with BALMUDA The Toaster Pro.
- Even Cooking Performance - The stainless-steel tray promotes consistent heat, while the rack allows heat to circulate underneath food for evenly cooked and crisp results.
- Easy to Clean - The removable tray and rack are dishwasher safe for fast, effortless cleanup after every use. The rack is not intended for use as a grilling grate.
Can it replace my main oven?
Usually not. The appliance is excellent for small bread-focused jobs, but RTINGS found limited capacity, one rack position, slow preheating and no convection or air-fry fan. A larger oven remains more practical for standard pans, multiple portions and airflow-dependent recipes.
Does the original include a baking pan?
Yes. BALMUDA’s US specification page lists a baking pan with the original K01M package. The Pro comparison says the Pro does not include its baking tray; that tray is sold separately.
Verdict
The US K01M BALMUDA The Toaster is a specialized premium toaster oven, not a miniature all-purpose oven. Its strongest case is a household that values carefully tuned bread and pastry reheating, has limited counter space and normally cooks one or two portions. Its stable temperature and steam-oriented programs are meaningful advantages for that job.
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Quick Recap
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