Cheesy Hamburger Rice Casserole

Cheesy Ground Beef and Rice Casserole

Some dinners quietly become household legends — not because they’re fancy, but because everyone actually eats them, asks for seconds, and hopes there’s enough for tomorrow’s lunch. This cheesy ground beef and rice casserole is exactly that kind of meal: comforting, creamy, and satisfying without demanding much time, money, or effort.

Why you’ll love this dish

This casserole proves that everyday ingredients can taste like something special. It uses pantry staples, cooks in one pot before hitting the oven, and feeds a hungry family without stressing your schedule — or your budget. It also reheats beautifully, making it perfect for meal prep, leftovers, or freezer planning.

“My husband went back for seconds — and he’s not even a big eater. Easy, inexpensive, and so tasty!”

It’s dependable, adaptable, and always welcome at the table — weeknights, potlucks, or lazy Sundays.

Step-by-step overview

Here’s the quick roadmap before you begin:

1. Brown the ground beef with seasoning.
2. Sauté onions and garlic in butter.
3. Simmer rice in beef broth until tender.
4. Steam mushrooms into the rice.
5. Stir in beef, soup, sour cream, milk, and cheese.
6. Transfer to a casserole dish, top with cheese, and bake.

Everything builds layers of flavor before the final melty finish in the oven.

What you’ll need

• 1 lb ground beef (85% lean) — flavorful but not overly greasy
• Italian seasoning, salt & pepper — foundational seasoning
• 3 tbsp butter, divided — sautéing + richness
• ¾ cup diced onion — savory aromatics
• 1 tbsp minced garlic — depth and warmth
• 2 ½ cups beef broth — enhances rice and umami
• 1 ¼ cups uncooked long-grain white rice — not instant
• 8 oz sliced button mushrooms — earthy balance
• 10.5 oz cream of mushroom soup — velvety base
• ½ cup milk (any type) — creaminess without heaviness
• ½ cup sour cream — tangy richness
• 2 cups shredded cheddar cheese, divided — melty topping

Substitutions:

• Ground turkey or chicken instead of beef
• Frozen peas, corn, or mixed vegetables instead of mushrooms
• Cream of chicken soup for a lighter flavor
• Monterey Jack or Colby instead of cheddar

Step-by-step instructions

1. Preheat oven to 350°F (175°C) and lightly grease a 9×13 casserole dish.
2. In a large pot over medium-high heat, brown ground beef with Italian seasoning, salt, and pepper. Drain if needed and set aside.
3. Melt 2 tbsp butter in the same pot. Add onions and cook 5 minutes, until softened. Add garlic and cook 1 minute.
4. Stir in beef broth, remaining butter, and rice. Bring to a boil, then reduce heat, cover, and simmer 10 minutes.
5. Add mushrooms, replace lid, and cook 5–10 more minutes (do not stir).
6. Turn off heat and let rice steam covered 10 minutes.
7. Add cooked beef, cream of mushroom soup, milk, sour cream, and half the cheese. Stir gently to combine.
8. Transfer mixture to the prepared baking dish and top with remaining cheese.
9. Cover and bake 20 minutes, until hot, melty, and bubbly.

Let rest 5 minutes before serving — the sauce thickens beautifully.

Serving suggestions

• Pair with steamed broccoli, sautéed green beans, or a simple side salad.
• Add fresh parsley or green onion for color and brightness.
• Serve with garlic bread or dinner rolls for a heartier meal.
• Scoop leftovers into tortillas for quick burrito-style lunches.

It’s a complete meal on its own, but easy to dress up.

Storage and reheating tips

• Refrigerate: up to 3 days in an airtight container
• Freeze: baked or unbaked, up to 3 months
• Reheat:
• microwave single servings 1–2 minutes
• oven at 350°F for 15–20 minutes, covered
• Meal prep tip: Freeze in individual portions for quick lunches

If freezing unbaked, thaw in the refrigerator 24 hours before baking.

Helpful cooking tips

• Use long-grain rice, not instant — better texture and flavor.
• Don’t stir while the rice cooks — avoids gumminess.
• Freshly shredded cheese melts more smoothly than pre-shredded.
• Leaner beef works best — less grease, cleaner flavor.
• Season as you go, not only at the end.

Creative twists

• Southwest version: add taco seasoning, corn, black beans, pepper jack
• Bacon ranch: stir in chopped bacon and ranch seasoning
• Broccoli cheddar: replace mushrooms with steamed broccoli florets
• Italian style: swap cheddar for mozzarella and add marinara
• Gluten-free: use GF condensed soup and broth

FAQ

Can I use brown rice instead of white?

Yes — just increase cooking time and liquid according to the package instructions.

Can I make this ahead?

Absolutely — assemble, refrigerate up to 2 days, then bake when ready.

What if I don’t like mushrooms?

Replace with corn, peas, carrots, broccoli, or mixed vegetables — all work great.

Cheesy Ground Beef and Rice Casserole

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• Author: carlosramirez
• Total Time: 45 minutes
• Yield: 4 servings
• Diet: Beef

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Description

A comforting, creamy casserole that’s easy to make and perfect for family dinners, potlucks, and meal prep.

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Ingredients

• 1 lb ground beef (85% lean)
• Italian seasoning, salt & pepper
• 3 tbsp butter, divided
• ¾ cup diced onion
• 1 tbsp minced garlic
• 2 ½ cups beef broth
• 1 ¼ cups uncooked long-grain white rice
• 8 oz sliced button mushrooms
• 10.5 oz cream of mushroom soup
• ½ cup milk (any type)
• ½ cup sour cream
• 2 cups shredded cheddar cheese, divided

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Instructions

1. Preheat oven to 350°F (175°C) and lightly grease a 9×13 casserole dish.
2. In a large pot over medium-high heat, brown ground beef with Italian seasoning, salt, and pepper. Drain if needed and set aside.
3. Melt 2 tbsp butter in the same pot. Add onions and cook for 5 minutes until softened. Add garlic and cook for 1 minute.
4. Stir in beef broth, remaining butter, and rice. Bring to a boil, then reduce heat, cover, and simmer for 10 minutes.
5. Add mushrooms, replace lid, and cook for 5-10 more minutes (do not stir).
6. Turn off heat and let rice steam covered for 10 minutes.
7. Add cooked beef, cream of mushroom soup, milk, sour cream, and half the cheese. Stir gently to combine.
8. Transfer mixture to the prepared baking dish and top with remaining cheese.
9. Cover and bake for 20 minutes, until hot, melty, and bubbly.
10. Let rest for 5 minutes before serving.

Notes

A versatile dish that can be adapted with different proteins and vegetables. Great for meal prep and reheats well.

• Prep Time: 15 minutes
• Cook Time: 30 minutes
• Category: Main Course
• Method: Baking
• Cuisine: American