Onion Lover Casserole

Prep: 15 min Cook: 60 min Cuisine: American

A hearty casserole combining ground beef, tender onions, green peppers, and tomatoes with rice and chili spices, perfect for comforting family dinners or casual gatherings.

Be the first to rate this recipe

Ingredients

  • 1 lb ground beef
  • 3 large onions, chopped
  • 1 green pepper, chopped
  • 16 oz can tomatoes
  • 1/2 cup uncooked rice
  • 1 tsp chili powder
  • 1/2 tsp salt

Instructions

  1. Preheat oven to 350°F (175°C).
  2. In a large skillet, cook and stir ground beef until browned.
  3. Drain excess fat from the skillet.
  4. Add chopped onions and green pepper to the skillet.
  5. Cook and stir until onions are tender.
  6. Stir in tomatoes, rice, chili powder, and salt.
  7. Pour the mixture into an ungreased 2-quart casserole dish.
  8. Cover and bake for 1 hour.

Tips & Substitutions

To enhance the flavor, consider adding a teaspoon of garlic powder or a pinch of cayenne pepper for extra heat. If you're out of ground beef, ground turkey or chicken can be used as a lighter alternative. For a vegetarian version, substitute the meat with lentils or a mix of beans. This dish can also benefit from the addition of shredded cheese on top during the last 15 minutes of baking.

Serving Suggestions

Serve Onion Lover Casserole with a side of crusty bread or a simple green salad for a complete meal. It pairs beautifully with Cold Weather Soup for a comforting dinner. For a heartier option, consider serving with roasted vegetables or a side of creamy mashed potatoes to balance the flavors.

Storage & Reheating

Leftovers should be cooled and stored in an airtight container in the refrigerator, where they will last for 3-4 days. To reheat, place the casserole in a preheated oven at 350°F (175°C) until warmed through, or microwave in individual portions, covered to retain moisture, for about 2-3 minutes.

Nutrition & Diet Analysis (per serving)

Each serving of Onion Lover Casserole contains roughly 616 calories, with 21g protein, 107g carbohydrates, and 13g fat. It is an excellent source of protein (42% of the Daily Value), iron (40% of the Daily Value), and vitamin C (37% of the Daily Value), and a good source of potassium. Note that it is relatively high in sodium, at 1853mg per serving (81% of the Daily Value).

616 kcal 31% DV
Protein Fat Carbs

Macronutrients

Protein 21g 42% DV
Total Fat 13g 17% DV
Carbs 107.4g 39% DV
Fiber 8.1g 29% DV
Sugar 6.9g 14% DV

Electrolytes

Sodium 1852.9mg 81% DV
Potassium 798.9mg 17% DV
Cholesterol 21.3mg 7% DV

Vitamins & Minerals

Vitamin A 315.7mcg 35% DV
Vitamin C 32.9mg 37% DV
Vitamin D 0mcg
Calcium 95.8mg 7% DV
Iron 7.1mg 40% DV
Diet fit High-protein High-fiber Low-fat

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 up to the baking step, cover it, and refrigerate for up to 24 hours. When ready to bake, allow it to come to room temperature for about 30 minutes before placing it in the oven to ensure even cooking.

Can I freeze the Onion Lover Casserole?

Absolutely! This casserole freezes well. After baking, allow it to cool completely, then wrap tightly in plastic wrap and aluminum foil. It can be frozen for up to 3 months. To reheat, thaw overnight in the refrigerator and bake at 350°F until heated through.

What can I use instead of rice?

If you're looking for a substitute for rice, quinoa or couscous can work well. For a low-carb option, consider using cauliflower rice. Just be aware that cooking times may vary depending on the substitute, so adjust accordingly.

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).

American recipes → Beef recipes → All recipes →