Brown Rice Casserole

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Introduction

This straightforward casserole combines cooked brown rice, melted cheese, mushrooms, peas, and almonds into a warm, textured side dish that’s ready in under an hour. It works as a weeknight vegetable-and-grain base or a potluck contribution that holds well on a buffet table.

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

Add sautéed onion and garlic: Dice and cook one small onion and two minced garlic cloves in a skillet before mixing into the casserole for deeper savory flavor without changing texture.

Substitute canned corn for peas: Use the same quantity of canned corn (drained and rinsed) for a slightly sweeter, milder vegetable note.

Mix in diced bell pepper: Chop ½ cup of raw red or yellow bell pepper and add it to the cheese-mushroom mixture for freshness and slight crunch that survives the bake.

Use a different cheese: Replace processed cheese with sharp cheddar or a mild white cheddar for more pronounced cheese flavor; cubed fresh cheese will melt slightly differently but work well.

Stir in fresh herbs: Add 1 teaspoon dried thyme, oregano, or Italian seasoning to the mixture before baking for herbal depth.

Tips for Success

Drain the mushrooms and peas thoroughly. Excess liquid from the cans will make the casserole wet and mushy rather than cohesive; press them gently in a colander or with paper towels before mixing.

Use already-cooked brown rice. If you’re cooking rice fresh, do so before you start the casserole prep so it’s cool enough to combine without melting the cheese prematurely.

Watch the timing on the almond topping. Almonds brown quickly in the last 5 minutes; if your oven runs hot, check at 4 minutes to prevent burning.

Cover the dish for the first bake. This traps steam and helps the cheese melt evenly; uncovering for the final 5 minutes lets the almonds toast without the casserole drying out.

Storage and Reheating

Store leftovers in an airtight container in the refrigerator for up to 4 days. The casserole does not freeze well because the texture of the rice and cheese becomes grainy after thawing.

Reheat in a 350°F oven, covered, for 15–20 minutes until warmed through. Alternatively, microwave individual portions, covered, for 1–2 minutes, stirring halfway through. Stovetop reheating in a skillet over medium-low heat, stirring occasionally, takes 5–8 minutes and helps restore a slightly fresher texture.

FAQ

Can I use leftover rice that was refrigerated? Yes, cold rice is actually easier to mix into the cheese and vegetables without clumping. Let it come to room temperature or mix it cold; either works.

What if I don’t have processed cheese? Cubed sharp cheddar, Colby, or Monterey Jack will work, though the texture will be slightly firmer and less creamy than processed cheese, which is designed to melt smoothly.

Should I drain the liquid from the canned mushrooms? Yes, drain and gently press them to remove excess liquid, or the casserole will become soupy during baking.

Can I add meat to this recipe? Ground cooked beef, turkey, or diced cooked chicken can be stirred into the mixture before baking; use about ½ to ¾ cup and adjust the baking time by 5 minutes if the ingredients are cold.