Scaling Up: Cooking Bulk Rice Quantities Without Sacrificing Texture Quality
5-year Warranty | 2-year Free Exchangeable | 1-year Free Return
AT Cooker Executive Insight: Cooking a single pot of rice is easy. Cooking 200kg of rice for a lunch rush at a factory, school, or military canteen is a logistical and culinary challenge. The quality often plummets as volume increases—rice becomes mushy, uneven, or burnt. This doesn’t have to be the case. With high volume commercial rice cooking technology powered by induction, you can scale up your production while maintaining the delicate texture of a single-pot batch. At AT Cooker, our heavy-duty steamers ensure every grain counts.
When an institutional kitchen scales up, the physics of cooking changes. Heat distribution becomes harder to manage across 48 trays. How to cook rice for large groups without sacrificing quality is the primary question for central kitchen managers. Traditional gas steamers struggle with “dead zones” and inconsistent pressure, leading to batches where the top is dry, the bottom is burnt, and the middle is raw.
The AT Cooker Commercial Induction Rice Steamer solves this through precision. By generating saturated steam instantly via a 95% efficient induction core, it pressurizes the cabinet uniformly. This guide explores the strategies and equipment features necessary to master large scale catering equipment for perfect bulk rice.

Commercial Kitchen Equipment -from AT Cooker
- As a brand manufacturer of the professional commercial induction cooking equipment, AT Cooker has responded to restaurants’ & hotels’ needs and research normative commercial cooking equipment using the very latest induction technology.
- These seamless, real commercial quality commercial cooking equipment provides us with the opportunity to incorporate equipment of our choice into one seamless, multipurpose cooking equipment creating an efficient, low cost, safe, green and sustainable commercial kitchen. We have standerd equipment can service many commercial kitchens.
- AT Cooker always offers professional service. From material, design, to producing, we focuse on quality, performance and reliability to ensures the best solution is delivered for each and every one of our customers. Have a commercial kitchen? We will be one of your best partners.
Work Voltage
| Single-Phase | Three-Phase |
|---|---|
| 120V, 220V | 208V/ 240V, 380V, 480V |
Global In-Stock + Fast Pickup
| US | UK | Germany | France |
|---|---|---|---|
| Italy | Spain | Belgium | Bulgaria |
1. Standardizing Water-to-Rice Ratios for Industrial Scale Batches
Cooking 2kg of rice is different from cooking 100kg. As you scale up, the water ratio changes. In bulk cooking, less water evaporates per kg of rice because the surface area to volume ratio decreases.
In the AT Cooker Commercial Rice Steamer Cabinet, the sealed environment means almost zero evaporation loss. Standardizing a ratio of 1:1.1 or 1:1.2 (depending on grain type) ensures consistency across all 48 trays, preventing the “wet bottom” syndrome common in open-pan cooking.
2. The Impact of Starch Removal: Why Washing is Critical for Bulk Volume
When cooking high volume commercial rice cooking batches, starch accumulation is a massive issue. Excess starch acts like glue, turning a 5kg tray into a solid brick.
Industrial washing is non-negotiable. Removing surface starch ensures that steam can penetrate between the grains. This separation allows the induction-generated steam to circulate freely, ensuring every grain expands individually rather than clumping into a mass.
3. Gas vs Induction: Which Heat Source Maintains Consistency Across 48 Trays?
A gas steamer relies on convection currents from a bottom burner. This often creates a temperature gradient: hot at the bottom, cooler at the top. The bottom trays overcook while the top trays remain chalky.
Induction generates steam with consistent, high pressure. The magnetic energy input is stable (e.g., 24KW constant). This drives steam to the top of the cabinet instantly, creating a uniform thermal environment where Tray 1 and Tray 48 cook at the exact same rate.
4. Preventing the “Clumping Effect” in Deep Commercial Gastronorm Pans
Deep pans (150mm+) are efficient for space but bad for texture. The weight of the rice crushes the bottom layer.
We recommend using standard 100mm depth trays. However, if deep pans are required, the vigorous steam generation of the AT Cooker unit helps fluff the rice during the cook, counteracting the compression force and preventing the bottom layer from becoming a dense cake.
5. The Role of Thermal Recovery Rates when Loading Cold Water and Grain
Loading 100kg of cold rice and water into a hot steamer causes a massive temperature drop. If the recovery is slow, the rice sits in warm water, releasing starch and becoming mushy.
⚡ Instant Recovery
The AT Cooker induction generator responds instantly to this load. It brings the chamber back to 100°C saturation in minutes, ensuring the rice begins cooking immediately rather than soaking. This “Flash Steam” effect preserves the grain integrity.
5-year Warranty | 2-year Free Exchangeable | 1-year Free Return
6. Managing Door Opening Frequency to Preserve Chamber Steam Pressure
Every time you open the door, you lose pressure and heat. In a busy central kitchen cooking solutions environment, discipline is key.
The AT Cooker digital timer allows staff to trust the process. There is no need to “check” the rice. By keeping the door sealed for the full cycle, you maintain the high-pressure environment needed for uniform gelatinization.
7. Why Tray Material Thickness Matters for Heat Transfer in Heavy Loads
Thin trays warp under heavy loads and conduct heat unevenly. Our commercial rice cabinet capacity utilizes heavy-gauge stainless steel trays.
These trays hold their shape and store thermal energy, helping to cook the rice from the bottom up while the steam cooks it from the top down. This dual-action heating ensures the center of the rice bed is fully cooked.
8. Implementing FIFO (First-In-First-Out) Protocols for Continuous Large Service
For large scale catering equipment, logistics are as important as physics. You need a system.
We recommend a rolling rack system. As one steamer finishes, the trolley is rolled out to a holding area, and a fresh trolley is rolled in. The rapid recovery of induction means there is zero downtime between batches, supporting continuous service for thousands of people.
9. Troubleshooting “Wet Bottom, Dry Top” Issues in Tall Steamer Cabinets
This common issue is caused by condensation raining down (Wet Bottom) and poor steam rise (Dry Top).
The AT Cooker cabinet features an arched ceiling to divert condensation to the walls, not the food. The powerful induction steam generator creates enough pressure to force steam to the top of the cabinet instantly, ensuring the top tray is as moist as the bottom one.
10. Increasing Rice Yield Rate: How Sealed Induction Steaming Retains Moisture Weight
Selling rice is selling water. A sealed induction steamer retains nearly 100% of the moisture you add. Gas steamers vent steam constantly.
By retaining moisture, you increase the final weight of the product. This means you get more sellable portions from every sack of raw rice, directly improving your food cost margins.
11. Utilizing Thermal Inertia for Passive Cooking to Save Energy and Improve Grain Elasticity
Once the rice is cooked, turn the power off and leave the door closed for 10-15 minutes. The retained heat finishes the rice gently.
This “steeping” phase allows moisture to redistribute evenly within the grain, improving elasticity (Q-texture) while consuming zero electricity. It is a master technique made easy by the insulation of our cabinets.
12. The Strategy of Staggered Batching vs Single Massive Loads for Freshness
Instead of cooking 500kg at 8:00 AM, use the speed of induction to cook 100kg every hour.
Because the AT Cooker unit is so fast (40-45 mins per cycle), you can stagger production. This ensures that the rice served at 1:00 PM is just as fresh as the rice served at 11:00 AM, significantly upgrading the dining experience.
| Factor | Gas Cabinet | AT Cooker Induction |
|---|---|---|
| Consistency | Variable (Hot/Cold Spots) | Uniform (Pressurized Steam) |
| Recovery | Slow | Instant |
| Yield | High Waste (Crust) | 100% Edible |
| Energy | Inefficient | 95% Efficient |
5-year Warranty | 2-year Free Exchangeable | 1-year Free Return
Final Thoughts from AT Cooker
Scaling up doesn’t have to mean scaling down quality. With the AT Cooker Commercial Induction Rice Steamer, you get industrial volume with boutique quality. Serve perfect rice to thousands, efficiently and reliably.
With stock ready in the USA, Germany, France, UK, Belgium, Italy, Spain, and Bulgaria, we are ready to support your large-scale operations. Visit our About Us page to learn more.

