How to Cook Rice in a Microwave

Why cook rice in a microwave?

Cooking rice in a microwave is a useful alternative to a stovetop pot or a rice cooker, especially when you want a small batch without watching another burner. Microwave ovens heat food by dielectric heating: the alternating field makes polar molecules in the food, mainly water, rotate, and that molecular motion produces heat. Since rice cooks by absorbing water, a covered bowl of rice and water behaves like a miniature steamer.

The microwave can also work against you. It heats unevenly, and full power can make the water boil over or cook the outside of the rice before the center is tender. This article uses a few controls to fix that: a generous amount of water, a cover, a medium or low power level, and a rest after the oven stops. The same method works on most countertop models; see microwave wattage explained before your first batch.

You do not need a special microwave to cook rice. If you are shopping for one, any countertop microwave can do the job, though some features make it easier to repeat good results; the last section covers what to look for.

What you need

You need a microwave-safe bowl large enough for the rice to expand, a cover that lets steam escape a little, a fork, rice, and water. A glass or ceramic bowl is easy to clean and handles heat well, but confirm that your bowl is labeled for microwave use. Some containers are not safe in the oven; see microwave-safe containers for the full list of what works.

• A deep microwave-safe bowl with generous headroom above the rice and water
• A loose cover: a microwave-safe lid, a dinner plate, or microwave-safe wrap
• A fork for stirring and fluffing
• Rice and water, plus a strainer if you rinse the rice
• A food thermometer if you plan to reheat leftovers

The basic microwave rice method

The first batch should be simple; later batches are where you fine-tune.

If your microwave has preset rice, auto cook, or sensor menus, you can use those as a starting point, but the same basics apply: covered, stirred, and rested. A preset is a convenience, not a requirement; read microwave presets and auto menus if you want to understand what those buttons actually do.

• Rinse the rice in cold water until the water runs mostly clear, if you want less surface starch, and shake off the extra water.
• Put the rice in the bowl and add enough water to cover it by a comfortable margin.
• Cover the bowl loosely so steam can escape a little.
• Set the power to medium or low, not full power, and choose a modest first cook time.
• Pause partway through, stir the rice, and rotate the bowl once or twice if your microwave has no turntable.
• Replace the cover and let the rice stand for a few minutes. Standing time completes the cooking.
• Fluff with a fork, taste, and adjust the water or time on the next batch.

Water amount and power level to try

The exact water ratio depends on your rice, your bowl, and your microwave's wattage, so expect to adjust the first time. Start with clearly more water than rice, check partway through, and add a splash if the grains look dry before the end. On later batches, let the result guide you: wet, sticky rice means less water next time; crunchy, dry rice means more water, a longer cook, or a longer rest.

Power level matters as much as water. Full power can boil the liquid too quickly, causing foam-overs and uneven grains. A medium or low power level keeps the water at a gentler simmer, which is what rice needs. Brown rice follows the same method with more water and a longer cook, because its outer bran layer slows absorption. For the details on how settings behave, see microwave power levels explained.

Cover, stir, rotate, and stand

The FDA's safe food handling guidance for microwave ovens says to cover food, stir it, and rotate it for even cooking, and to allow standing time, which completes the cooking. Those steps are exactly what rice needs. A cover traps steam, stirring spreads the hot liquid, rotating fights hot spots, and standing lets the grains absorb the last moisture.

If your microwave has no turntable, rotate the dish by hand once or twice during cooking, as the same guidance recommends. Flatbed and turntable ovens distribute energy differently; see turntable vs flatbed microwave to know which one you have. The goal is the same: keep the center of the bowl from lagging behind the edges.

Microwave heating is strongest in the outer part of a high-water-content food, which is another reason stirring and standing are part of the method. A batch that looks slightly underdone when the timer ends can turn out just right after a short rest under the cover.

Safe handling: cook, cool, and reheat

Cooked rice is a perishable food, so it belongs in the same food safety routine as any other leftover. The FDA's four steps, clean, separate, cook, and chill, apply to microwave rice too: wash hands and surfaces, keep raw ingredients separate, cook thoroughly, and refrigerate promptly.

Refrigerate or freeze rice within 2 hours of cooking, and divide large amounts into shallow containers so it cools quickly. Keep the refrigerator at 40°F or below using an appliance thermometer. When you reheat leftover rice, use a food thermometer and bring it to 165°F, the safe minimum internal temperature the FDA lists for leftovers and casseroles.

Microwave ovens fall under the FDA's Electronic Product Radiation Control program, which sets performance standards for radiation-emitting products used in homes and businesses. That regulatory side is separate from the food handling story; follow the cooking guidance above and you cover both. For the broader appliance safety question, see is microwave radiation safe.

Matching the method to your microwave

Your microwave's wattage changes how fast rice cooks. A higher-wattage oven can finish sooner but also boils over sooner, so start with a lower power level and a modest first cook time. A lower-wattage oven simply needs more time. If you do not know your wattage, learn how to test microwave power or read the model's spec sheet with how to read microwave spec sheets.

If you cook rice regularly, look for even heating and adjustable power. Inverter microwaves hold a steadier power level, which suits rice; see Best inverter microwaves. A compact model handles a bowl of rice for smaller households, while a larger cavity helps with family-sized batches. Browse Best compact microwaves and Best large microwaves to match the size to your kitchen, or pick from the countertop options if you want more models to compare.

What to pick for your use

Questions

Do I need a special rice button on my microwave?

No. A preset rice or auto cook menu can be a convenient starting point, but the basic method works without one: covered bowl, medium or low power, stirring, and standing time. If preset modes interest you, look into sensor cooking microwaves and presets for more detail.

Should I cover the rice while it cooks?

Yes. Covering traps steam and helps the rice cook evenly and stay moist. The FDA's microwave guidance also says to cover food, stir, and rotate for even cooking. Use a loose-fitting microwave-safe lid, a plate, or microwave-safe wrap.

What power level should I use for rice?

Start with a medium or low power level rather than full power. Full power can make the water boil over and cook the outside of the grains first. If your microwave uses numbered levels, start low and adjust from there.

Why does my rice boil over in the microwave?

It usually means the bowl is too small or the power is too high. Use a bowl with generous headroom, cover it loosely, and cook at a lower power. Stir partway through so the liquid does not bubble up. If the interior gets messy, clean it soon after cooking.

Can I cook brown rice the same way?

Brown rice keeps its outer bran layer, so it takes longer and absorbs more water. Use the same covered bowl method with a little more water and a longer cook, and rely on standing time. Taste a few grains and extend the cook in small steps if the center is still firm.

How should I store leftover rice?

Refrigerate or freeze rice within 2 hours after cooking, and divide large amounts into shallow containers so it cools quickly. Keep your refrigerator at 40°F or below, and reheat leftover rice to 165°F as measured with a food thermometer before serving.