Brown Rice Casserole

PIn it

Introduction

This brown rice casserole comes together in one bowl and bakes hands-off for just 25 minutes, making it a reliable side dish for weeknight dinners or potlucks. The processed cheese melts into the rice and vegetables, creating a creamy binding without requiring any cream or sauce, while toasted almonds add a textural contrast on top.

Recipe Details

• Prep Time: 10 minutes
• Cook Time: 25 minutes
• Total Time: 35 minutes
• Servings: 6–8

Ingredients

• 8 ounces cubed processed cheese
• 1 can (4 ounces) mushrooms
• 1 can (15 ounces) sweet peas
• 3 cups cooked brown rice
• cooking spray
• ½ cup slivered almonds

Instructions

1. Preheat oven to 350°F.
2. Combine cheese, mushrooms, peas, and rice in large bowl.
3. Coat 1½ quart baking pan with cooking spray.
4. Move mixed ingredients to baking dish.
5. Cover and bake for 20 to 25 minutes.
6. Sprinkle almonds on top
7. Bake 5 minutes more.

Variations

Swap the mushrooms for diced bell peppers — use fresh diced red or green bell pepper (about 1 cup) instead of canned mushrooms for a brighter flavor and firmer texture that won’t become mushy during baking.

Add smoked chicken or turkey — stir in 1 to 1½ cups of diced smoked chicken or turkey breast before baking to turn this into a more substantial main dish rather than a side.

Use a sharp cheddar blend instead of processed cheese — substitute an equal amount of shredded sharp cheddar or a cheddar-gruyere mix for a more complex cheese flavor, though the texture will be slightly less creamy since processed cheese contains emulsifiers.

Replace the almonds with crispy fried onions — sprinkle canned fried onions on top during the final 5 minutes instead of almonds for a different crunch and a more savory finish.

Stir in frozen broccoli or green beans — add 1 to 1½ cups of frozen broccoli florets or green beans (thawed) to the rice mixture before baking for extra vegetables and color.

Tips for Success

Use truly cooked rice before mixing — measure your rice after it’s fully cooked and cooled slightly, so you know the exact volume going into the casserole and can predict the final texture.

Don’t skip the cover for the first bake — covering the dish for 20 to 25 minutes traps steam and keeps the rice tender; uncovering it only at the end allows the almonds to toast without drying out the rest of the casserole.

Toast the almonds separately if you prefer extra crunch — if you like almonds with more color and deeper flavor, lightly toast them in a dry skillet for 2–3 minutes before sprinkling on top in the last 5 minutes of baking.

Drain canned vegetables well — squeeze or press the mushrooms and peas in a fine-mesh strainer to remove excess liquid, which prevents the casserole from becoming watery.

Storage and Reheating

Store leftovers in an airtight container in the refrigerator for up to 3 days. The casserole does not freeze well because the cheese texture becomes grainy and the rice can turn mushy when thawed. Reheat in a covered baking dish at 325°F for 10–15 minutes, stirring gently halfway through, or microwave a single portion at 50% power for 2–3 minutes to avoid overheating the cheese.

FAQ

Can I make this casserole ahead and bake it later?

Yes. Assemble the casserole in the baking dish, cover it tightly, and refrigerate it for up to 8 hours before baking. Add 5–10 minutes to the bake time since the cold mixture will take longer to heat through.

What if I don’t have cooked brown rice on hand?

Cook the rice 1 to 2 days ahead and refrigerate it, or use quick-cooking brown rice varieties that finish in 10 minutes. You can also substitute an equal amount of cooked white rice, though the flavor and texture will be slightly lighter.

Why is the casserole watery after baking?

The canned vegetables likely weren’t drained thoroughly before mixing. Always press them well in a strainer to remove excess liquid, which is the most common cause of a wet casserole.

Can I use fresh mushrooms instead of canned?

Yes, but use about 1½ cups of fresh mushrooms, diced small, and sauté them in a skillet for 3–4 minutes first to remove moisture before adding them to the rice mixture. This prevents the casserole from becoming soggy.