If you’ve been hunting for a comforting, all-in-one dish that’s irresistibly satisfying and perfect for any night of the week, this Ground Beef and Potato Casserole Recipe is exactly what you need. Imagine tender layers of thinly sliced Russet potatoes nestled under a savory mix of lean ground beef, sautéed onions, bell peppers, and garlic, all smothered in a creamy mushroom soup and sour cream sauce. Topped with gooey cheddar cheese and crispy French fried onions, this casserole is a warm hug in food form, guaranteed to bring smiles around the dinner table!

Ingredients You’ll Need
These ingredients might be simple, but each one plays a crucial role in making this Ground Beef and Potato Casserole Recipe a crowd-pleaser. Each component balances flavor, texture, and richness that meld together beautifully in every bite.
- 1 lb lean ground beef: The hearty protein base infusing the casserole with savory goodness and a satisfying texture.
- 1/2 cup yellow onion, diced: Adds sweetness and depth when sautéed with the beef.
- 1 green bell pepper, diced: Brings a lovely hint of freshness and a subtle crunch to the mix.
- 2 cloves garlic, minced: Provides aromatic warmth that enhances all other flavors.
- 2-3 medium-sized Russet potatoes, peeled and thinly sliced: The creamy, tender foundation that makes the casserole so comforting.
- 1 can condensed cream of mushroom soup (10.75 oz): Creates a luscious, velvety sauce that ties everything together.
- 1 cup sour cream: Adds tangy creaminess, balancing the richness of the cheese and beef.
- 1 cup shredded cheddar cheese: Melts beautifully on top for that golden, bubbly finish.
- Salt and pepper, to taste: Essential seasoning to make all flavors pop.
- French fried onions, for topping: Crisp and flavorful, these bring irresistible texture contrast.
- Sliced green onions (optional, for garnish): Fresh and vibrant, perfect for a bright finishing touch.
- Chopped fresh parsley (optional, for garnish): Adds color and a hint of herbaceous freshness.
How to Make Ground Beef and Potato Casserole Recipe
Step 1: Preheat the Oven and Prepare the Baking Dish
Start by heating your oven to 375°F (190°C). Meanwhile, lightly grease a 9×13-inch casserole dish with cooking spray or butter. This step is key to ensuring your casserole doesn’t stick and comes out perfectly crispy on the edges.
Step 2: Cook the Ground Beef and Vegetables
Grab a large skillet and brown the lean ground beef over medium heat, breaking it apart as it cooks. Once it’s mostly browned, toss in the diced yellow onion, green bell pepper, and minced garlic. Sauté for about 5 minutes until the veggies soften and that irresistible aroma fills your kitchen.
Step 3: Prepare the Cream Sauce
In a separate bowl, mix together the condensed cream of mushroom soup and sour cream until it’s smooth and creamy. Season this sauce with salt and pepper, tailoring it to your tastes. This sauce is the magic binder that keeps your casserole moist and indulgent.
Step 4: Assemble the Casserole
Peel and thinly slice your Russet potatoes—thin slices will cook evenly and become tender in the casserole. Layer half of the potatoes evenly on the bottom of your baking dish, seasoning lightly with salt and pepper. Add the second half as another layer, seasoning again. Spoon the cooked beef and vegetable mixture over the potatoes, then spread the cream sauce evenly on top. Every layer adds a boost of flavor and texture that melds as it bakes.
Step 5: Add Cheese and Bake
Sprinkle your shredded cheddar cheese evenly over the casserole’s surface. Pop it into the oven and bake for 30 to 35 minutes, allowing the potatoes to become tender and the cheese to melt into a bubbly, golden crust. This step builds the casserole’s inviting, comforting top layer.
Step 6: Add Toppings and Serve
Once the casserole is out of the oven, sprinkle the French fried onions on top and bake for an additional 5 minutes. This gives the onions a chance to crisp right up, adding that delicious contrast to the creamy layers below. Let the casserole rest for a few minutes before serving. If you like, garnish with sliced green onions or chopped parsley to brighten the dish.
How to Serve Ground Beef and Potato Casserole Recipe

Garnishes
Simple garnishes like sliced green onions or freshly chopped parsley can brighten the plate and lift the rich flavors. Not only do they add a pop of color, but their mild freshness cuts through the creaminess, enhancing the eating experience.
Side Dishes
This casserole is hearty, so pair it with crisp, refreshing sides like a mixed green salad with a tangy vinaigrette or steamed green beans. These provide balance by adding crunch and lightness to round out your meal perfectly.
Creative Ways to Present
If you want to impress guests, serve the casserole in individual ramekins or mini cast-iron skillets for a personalized touch. Alternatively, spoon it over a bed of buttered rice or alongside roasted vegetables to make it even more special. Presentation can transform this comforting dish into a centerpiece worthy of any dinner party.
Make Ahead and Storage
Storing Leftovers
After enjoying your Ground Beef and Potato Casserole Recipe, store leftovers in an airtight container in the refrigerator. They will keep well for up to 3-4 days, making a perfect next-day lunch or quick dinner option that just needs a little reheating.
Freezing
This casserole freezes beautifully. Wrap it tightly with foil or plastic wrap, or transfer portions into freezer-safe containers before freezing. It can be stored for up to 2-3 months, so you’ll always have a hearty meal on hand for busy days when cooking feels like too much.
Reheating
To reheat, thaw frozen portions overnight in the refrigerator for best results and warm in a 350°F (175°C) oven until heated through and bubbly. For refrigerated leftovers, microwave or oven reheat until hot in the center. This keeps that cheesy topping intact and the potatoes tender, preserving the lovely texture of the original dish.
FAQs
Can I use a different type of cheese?
Absolutely! While cheddar is classic, feel free to experiment with mozzarella, Monterey Jack, or even pepper jack for a spicier twist. Each cheese will bring its own unique melt and flavor profile to the casserole.
Is it possible to make this casserole vegetarian?
Yes, simply swap the ground beef for sautéed mushrooms or a plant-based protein substitute. You can keep all the other ingredients the same for a delicious vegetarian comfort meal.
What kind of potatoes work best?
Russet potatoes are ideal because they hold their shape well while becoming tender when baked. You can try Yukon Gold for a creamier texture, but avoid waxy potatoes as they won’t soften as nicely in the casserole.
Can I prepare this recipe in advance and bake later?
Definitely! Assemble the casserole, cover tightly, and refrigerate it for up to 24 hours before baking. This allows the flavors to meld even more, resulting in an even tastier dish when baked.
How can I make this casserole gluten-free?
Use a gluten-free cream of mushroom soup or make your own sauce with gluten-free ingredients. Double-check the French fried onions for gluten or substitute with gluten-free crispy toppings to keep it safe for gluten-sensitive diners.
Final Thoughts
This Ground Beef and Potato Casserole Recipe is a true testament to how simple ingredients can combine into a soul-satisfying dish everyone will love. Whether you’re feeding family or hosting friends, it’s the kind of meal that brings warmth and comfort with every bite. Give it a try—you might just find your new favorite weeknight dinner!
Print
Ground Beef and Potato Casserole Recipe
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Total Time: 1 hour
- Yield: 6 servings
- Category: Main Course
- Method: Baking
- Cuisine: American
Description
A comforting Ground Beef and Potato Casserole featuring layers of tender sliced Russet potatoes, savory ground beef with sautéed vegetables, and a creamy mushroom sauce topped with melted cheddar cheese and crispy French fried onions. Perfect for a hearty family dinner.
Ingredients
Meat and Vegetables
- 1 lb lean ground beef
- 1/2 cup yellow onion, diced
- 1 green bell pepper, diced
- 2 cloves garlic, minced
Potatoes and Dairy
- 2–3 medium-sized Russet potatoes, peeled and thinly sliced
- 1 can condensed cream of mushroom soup (10.75 oz)
- 1 cup sour cream
- 1 cup shredded cheddar cheese
Seasonings and Toppings
- Salt and pepper, to taste
- French fried onions, for topping
- Sliced green onions (optional, for garnish)
- Chopped fresh parsley (optional, for garnish)
Instructions
- Preheat the Oven and Prepare the Baking Dish: Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch casserole dish using cooking spray or butter to prevent sticking.
- Cook the Ground Beef and Vegetables: In a large skillet over medium heat, cook the lean ground beef, breaking it up with a spatula until browned, about 7-10 minutes. Add diced onion, diced green bell pepper, and minced garlic; sauté for approximately 5 minutes until the vegetables are softened and fragrant.
- Prepare the Cream Sauce: In a bowl, combine the condensed cream of mushroom soup with the sour cream. Mix until smooth. Season with salt and pepper to taste, adjusting for your preferences.
- Assemble the Casserole: Peel and thinly slice the Russet potatoes. Place half of the potato slices in an even layer at the bottom of the greased baking dish, seasoning lightly with salt and pepper. Add the remaining potato slices as a second layer, seasoning again. Evenly spoon the cooked beef and vegetable mixture over the potato layers. Pour the cream sauce over the top, spreading it evenly with a spatula.
- Add Cheese and Bake: Sprinkle the shredded cheddar cheese evenly over the casserole surface. Bake in the preheated oven for 30-35 minutes until the potatoes are tender when pierced with a fork and the cheese is bubbly and golden brown.
- Add Toppings and Serve: Remove the casserole from the oven and sprinkle French fried onions over the top. Return to the oven for an additional 5 minutes to allow the onions to crisp up. Let the casserole cool for a few minutes before serving. Garnish with sliced green onions or chopped fresh parsley if desired.
Notes
- Use lean ground beef to reduce excess fat and grease in the casserole.
- Thinly slicing the potatoes ensures even cooking and tenderness.
- For a spicier variation, add a pinch of cayenne pepper or smoked paprika to the beef mixture.
- French fried onions add a delightful crunch, but you can substitute with breadcrumbs if preferred.
- Allow the casserole to cool for a few minutes before serving to help it set and make slicing easier.

