Yes, you can cook many other grains besides rice in a rice cooker. Rice cookers are versatile kitchen appliances that can be used to cook a variety of grains such as quinoa, barley, millet, couscous, bulgur, and more.

To cook grains other than rice in a rice cooker, you may need to adjust the water-to-grain ratio and cooking time. Different grains require different amounts of water and cooking times, so be sure to consult the instructions for the specific grain you're cooking.

Here are some general tips for cooking grains in a rice cooker:

Rinse the grain thoroughly before cooking to remove any dust or debris.

Add the grain to the rice cooker, along with the appropriate amount of water according to the grain-to-water ratio for that particular grain.

Set the rice cooker to the appropriate cooking setting for the grain you're cooking. Some rice cookers have a specific setting for cooking other grains, while others may require you to use the regular rice cooking setting.

Once the cooking cycle is complete, let the grain sit in the rice cooker for a few minutes to steam and absorb any remaining water.

Fluff the grain with a fork and serve.

With a little experimentation and practice, you can use your rice cooker to cook a wide variety of grains quickly and easily.