Vegetarian Rice Casserole

Prep: 15 min Cook: 55 min Serves: 6 Cuisine: American

A hearty vegetarian rice casserole packed with fresh vegetables, flavorful herbs, and melted cheese, perfect for a comforting and wholesome meal for the family.

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Ingredients

  • 1 large onion
  • 2 green peppers
  • 4 to 6 stalks celery
  • 3 tomatoes
  • 1 (10 oz.) can tomato sauce
  • red cayenne pepper (optional)
  • basil
  • olive or vegetable oil
  • 1 cup Cheddar cheese, shredded or sliced thinly

Instructions

  1. Chop the onion, green peppers, celery, and tomatoes into large chunks.
  2. In vegetable oil or olive oil, lightly brown the onions.
  3. Add green peppers and celery to the browned onions and cook until tender.
  4. Add chopped tomatoes to the mixture and simmer.
  5. Sprinkle red cayenne pepper (optional) and basil over the simmering mixture.
  6. Cover and cook until the vegetables are tender.
  7. Add tomato sauce to the mixture.
  8. If the mixture needs more liquid, add water.
  9. Stir in the long grain brown rice and simmer for 45 to 55 minutes.
  10. Pour the cooked mixture into a casserole dish.
  11. Top with shredded or sliced Cheddar cheese.
  12. Broil until the cheese is bubbly and golden.
  13. Serve hot and enjoy.

Tips & Substitutions

To enhance the flavor of your Vegetarian Rice Casserole, consider adding a dash of garlic powder or onion powder. If you don't have long grain brown rice, quinoa or couscous can be excellent substitutes. For a creamier texture, you can mix in a bit of cream cheese before broiling. Adjust the cayenne pepper to taste for a spicier dish.

Serving Suggestions

Serve this hearty casserole with a side salad or some crusty bread to soak up the flavors. It pairs beautifully with American recipes like Grits With Cheese for a comforting meal. For an extra touch, garnish with fresh basil or parsley before serving. This dish is great for potlucks or family gatherings.

Storage & Reheating

Store leftovers in an airtight container in the refrigerator for up to three days. To reheat, place the casserole in a preheated oven at 350°F (175°C) for about 20 minutes, or until heated through. You can also microwave individual portions for a quicker option, adding a splash of water to prevent drying out.

Nutrition & Diet Analysis (per serving)

Each serving of Vegetarian Rice Casserole contains roughly 266 calories, with 14g protein, 16g carbohydrates, and 17g fat. It is an excellent source of vitamin C (194% of the Daily Value), calcium (29% of the Daily Value), and vitamin A (29% of the Daily Value), and a good source of potassium.

266 kcal 13% DV
Protein Fat Carbs

Macronutrients

Protein 14.2g 28% DV
Total Fat 17.2g 22% DV
Carbs 15.6g 6% DV
Fiber 2.3g 8% DV
Sugar 7.1g 14% DV

Electrolytes

Sodium 385.1mg 17% DV
Potassium 496.6mg 11% DV
Cholesterol 50.6mg 17% DV

Vitamins & Minerals

Vitamin A 260.9mcg 29% DV
Vitamin C 174.5mg 100% DV
Vitamin D 0.3mcg 1% DV
Calcium 379.9mg 29% DV
Iron 1.7mg 9% DV
Diet fit Low-carb Under 400 cal
Contains Milk

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make this casserole ahead of time?

Yes, you can prepare the casserole a day in advance. Assemble it, cover, and refrigerate. When ready to bake, allow it to sit at room temperature for about 30 minutes before broiling to ensure even cooking.

What can I add for extra protein?

To boost the protein content, consider adding cooked beans like black beans or chickpeas. Tofu or tempeh can also be incorporated for a satisfying texture. These additions will complement the flavors while keeping the dish vegetarian.

Is this dish suitable for freezing?

Yes, you can freeze the casserole before baking. Just ensure it's in a freezer-safe container. When you're ready to enjoy it, thaw in the refrigerator overnight and bake as directed, adding a few extra minutes to the cooking time if needed.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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