33 Shares

Make dinner effortless with this cheesy ground beef and rice casserole, packed with rich flavors, creamy texture, and a golden, melted cheese topping. This family-friendly comfort food is perfect for busy weeknights, requiring just one pot before baking for easy cleanup. Loaded with savory beef, tender rice, and a creamy mushroom sauce, this hearty dish is a go-to meal that can be customized with different proteins, vegetables, or cheese varieties. Whether you’re looking for a make-ahead dinner or a budget-friendly casserole, this recipe delivers on taste and convenience.

Ingredients

1 lb. ground beef (85% lean)
1.5 teaspoons Italian seasoning
Salt and pepper, to taste
3 tablespoons butter, divided
¾ cup onions, diced
1 tablespoon garlic, minced
2 ½ cups beef broth (see note below)
1 ¼ cups uncooked long-grain white rice (not instant)
8 oz. button mushrooms, sliced and washed
10.5 oz. cream of mushroom soup
½ cup milk (any kind)
½ cup sour cream
2 cups cheddar cheese, divided

Instructions

Preparation Note

This recipe allows you to cook all the casserole ingredients in one pot before transferring to a casserole dish for baking. Check your rice package for the recommended liquid amount (beef broth) and cooking time. If preferred, you can cook the rice separately and skip the beef broth. You’ll need about 3 ¾ cups of cooked rice to combine with the other ingredients.

Cooking the Casserole

Preheat the oven to 350°F (175°C).
Brown the beef: In a large pot over medium-high heat, cook the ground beef. Season with salt, pepper, and Italian seasoning. Drain the grease, transfer the beef to a plate, and cover with foil.
Sauté the onions and garlic: Melt 2 tablespoons of butter in the same pot. Add the diced onions and cook for 5 minutes until softened. Stir in the minced garlic and cook for an additional minute.
Cook the rice: Add the beef broth, remaining 1 tablespoon of butter, and rice. Stir well.
Simmer and steam: Bring to a boil, then reduce to a simmer. Cover tightly and cook for 10 minutes.
Add mushrooms: Without stirring the rice, add the mushrooms. Cover and cook for an additional 5-10 minutes, depending on the rice package instructions.
Let it rest: Turn off the heat, keep the cover on, and let it sit for 10 minutes to allow any remaining moisture to absorb.
Combine ingredients: Add the cooked ground beef back to the pot along with the cream of mushroom soup, milk, sour cream, and half of the shredded cheese. Stir until well mixed.
Transfer and bake: Pour the mixture into a lightly greased 9×13-inch casserole dish. Sprinkle the remaining cheese on top.
Cover and bake for 20 minutes until heated through. Serve warm!

Why You’ll Love This Recipe

Easy One-Pot Prep: Cook everything in one pot before baking, making cleanup a breeze.
Comfort Food Classic: A creamy, cheesy casserole that’s perfect for family dinners.
Customizable: Easily swap ingredients based on dietary preferences.
Make-Ahead Friendly: Prepare in advance and bake when ready.

Tips

Don’t stir the rice while cooking to avoid a sticky texture.
Use freshly shredded cheese for better melting and flavor.
Deglaze the pot with a splash of broth or wine after browning the beef for extra depth.
Let the casserole rest for a few minutes after baking to help flavors meld.

Variations and Substitutions

Meat Options: Swap ground beef for turkey, chicken, or plant-based meat.
Dairy-Free: Use plant-based milk, dairy-free sour cream, and vegan cheese.
Vegetable Additions: Try bell peppers, spinach, or peas for extra nutrition.
Different Cheeses: Swap cheddar for Monterey Jack, Swiss, or a mix.

FAQs

Can I make this ahead of time?

Yes! Assemble the casserole, cover, and refrigerate for up to 24 hours before baking. You may need to add a few extra minutes to the bake time.

What can I use instead of cream of mushroom soup?

You can substitute with cream of chicken soup, homemade mushroom sauce, or a mix of heavy cream and sautéed mushrooms.

How do I store and reheat leftovers?

Store in an airtight container in the fridge for 3-4 days. Reheat in the oven at 350°F until warmed through or microwave in 30-second increments.

Serving Suggestions

Pair with: A fresh green salad or roasted vegetables.
Side Options: Garlic bread, cornbread, or steamed broccoli.
Topping Ideas: Crispy fried onions, crushed crackers, or extra cheese for added texture.

This hearty, cheesy casserole is a perfect family-friendly meal with comforting flavors and simple ingredients!