Step 1: Brown the Beef & Aromatics
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Preheat your oven to 350°F (175°C).
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In a large skillet, heat the olive oil over medium heat. Add the chopped onion and cook for 4-5 minutes, until softened.
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Add the ground beef, breaking it apart with a spoon, and cook until browned. Drain off any excess grease.
Step 2: Combine the Casserole
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To the skillet with the beef, add the uncooked rice, garlic powder, salt, and pepper. Stir for one minute to toast the rice slightly.
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Pour in the beef broth and cream of mushroom soup. Stir everything together until the soup is fully incorporated and the mixture is smooth.
Step 3: Assemble & Add the Cheese Crust
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Transfer the entire mixture to a greased 9×13-inch baking dish and spread it into an even layer.
Step 4: Bake to Bubbly Perfection
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Cover the dish tightly with aluminum foil and bake for 30 minutes.
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Remove the foil and continue baking for another 10-15 minutes, or until the cheese is melted and golden, and the rice is tender.
Step 5: Rest and Serve
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Let the casserole stand for 5-10 minutes before serving. This allows the sauce to thicken and makes it easier to slice.
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Serve hot and enjoy the comforting, cheesy goodness!
💡 Chef’s Notes & Tips
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Rice Note: Using standard long-grain white rice (not instant or quick-cooking) is key for the perfect texture and cooking time.
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Add Veggies: Feel free to stir in a cup of frozen peas, corn, or mixed vegetables when you add the broth and soup.
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Storage: Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave or a 350°F oven until warm.