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Spinach Mushroom Cheesy Rice Casserole
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Spinach Mushroom Cheesy Rice Casserole

Spinach Mushroom Cheesy Rice Casserole can serve as a side or easily as main course option. Spinach, mushrooms, cheese, and rice combined in an easy to prepare casserole.
Prep Time20 minutes
Cook Time35 minutes
Total Time55 minutes
Course: Dinner, Side
Cuisine: American
Servings: 8 -10 servings
Author: Stephanie

Ingredients

  • 2 cups cooked brown rice
  • 3 tbsp. butter divided
  • ½ tsp. garlic powder
  • salt & pepper to taste
  • 1 tbsp. olive oil
  • 1 10 ounce bag frozen mixed mushrooms*
  • 6 ounces fresh spinach
  • 1 medium yellow onion chopped
  • 2 cloves garlic chopped
  • 2 ounces cream cheese softened
  • 2 cups shredded cheese cheddar & Monterey jack
  • 1 cup shredded mozzarella cheese
  • 2 eggs beaten
  • ½ cup half & half cream

Instructions

  • Preheat oven 350 degrees.
  • Grease 13 by 9 casserole dish with 1 tbsp. butter
  • Cook rice according to package directions. Once cooked add 2 tbsp. butter, garlic powder, salt & pepper to taste.
  • Then add cream cheese, 2 cups shredded cheese, eggs, and half & half cream.
  • Meanwhile heat 1tbsp. olive oil over medium heat. Add onion, garlic and cook 1-2 minutes. Then add mushrooms. Cook 6-8 minutes. Drain any excess liquid.**
  • Add spinach and cook till slightly wilted
  • Add mushroom onion spinach mixture to rice and combine well.
  • Spread rice mixture evenly into casserole dish.
  • Bake in preheated oven 30 minutes.
  • Remove from oven and top with mozzarella cheese. Return to oven 5-6 minutes until mozzarella is melted and slightly browned.
  • Allow to sit 10 minutes prior to serving.

Notes

*can use any mushroom variety of choice
**if using frozen mushrooms they tend to release a lot more liquid so make sure to drain off liquid prior to adding to rice mixture.
Rice can be made ahead.
This casserole can be made ahead and easily re-heated.
Keeps well in fridge covered for up to five days.