Beef Onion Casserole
A hearty beef onion casserole combining ground beef, rice, and vegetables in a savory mushroom and onion soup base, perfect for family dinners and comfort food lovers.
Ingredients
Instructions
- Combine all ingredients in a bowl.
- Spoon the mixture into a greased 2-quart casserole dish.
- Cover the dish with a lid or foil.
- Bake at 350°F (175°C) for 1 hour.
Tips & Substitutions
For a flavor boost, consider adding sautéed mushrooms or garlic to the mixture. You can substitute brown rice for regular rice, but increase the cooking time. If you're short on time, using pre-cooked rice can speed up the process. For a twist, swap the cream of mushroom soup for cream of chicken soup to vary the taste.
Serving Suggestions
This casserole pairs beautifully with a simple green salad or steamed vegetables for a balanced meal. It can also be served alongside crusty bread or biscuits to soak up the savory sauce. For a comforting touch, consider serving it with a side of mashed potatoes, enhancing the hearty flavors of this beef dish.
Storage & Reheating
Store any leftovers in an airtight container in the refrigerator for up to 3-4 days. To reheat, microwave individual portions or warm the entire casserole in a preheated oven at 350°F (175°C) until heated through. Adding a splash of broth can help maintain moisture during reheating.
Nutrition & Diet Analysis (per serving)
Each serving of Beef Onion Casserole contains roughly 196 calories, with 9g protein, 21g carbohydrates, and 9g fat. It is an excellent source of vitamin C (47% of the Daily Value), and a good source of protein and iron.
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. Simply assemble the ingredients, cover, and refrigerate. When ready to bake, allow it to come to room temperature before placing it in the oven to ensure even cooking.
Can I freeze the beef onion casserole?
Absolutely! This casserole freezes well. After baking, let it cool completely, then wrap it tightly in foil or plastic wrap and freeze for up to 3 months. To reheat, thaw overnight in the refrigerator and bake until heated through.
What can I use instead of ground beef?
If you're looking for a healthier alternative, ground turkey or chicken can be used instead of ground beef. For a vegetarian option, consider using lentils or a meat substitute like crumbled tempeh or tofu for a similar texture.
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).