The moment I opened the oven door, the warm, savory aroma enveloped me like a cozy blanket on a chilly evening. Here it was—the Cheesy Ground Beef & Potato Dinner Casserole, a dish that instantly transports me to simpler family gatherings and hearty meals shared with loved ones. This one-dish gem combines tender diced potatoes, flavorful ground beef, and sweet bell peppers, all embraced by a luscious layer of melted cheddar cheese. Not only is it incredibly budget-friendly, but it’s also a lifesaver for busy weeknights when you crave comfort food without the fuss. As the cheese bubbles and turns golden, you know you’re in for a treat that everyone will adore. Ready to whip up a comforting meal that will make your kitchen feel like home? Let’s dive into this delicious recipe!

Why is this casserole a game-changer?
Simplicity at Its Core: With just a handful of ingredients, this recipe delivers a deliciously satisfying meal without the hassle.
Budget-Friendly: An affordable choice that keeps your wallet happy while still impressing your family.
Crowd-Pleasing Delight: The combination of cheesy flavor and hearty ingredients makes it perfect for family dinners or potlucks.
Versatile Options: Easily swap ingredients based on what you have on hand—think different cheeses or added veggies for a personal touch.
Meal Prep Winner: Prepare it ahead of time and store leftovers for quick reheating, turning weeknight meals into a breeze! If you love casseroles, check out my Sweet Potato Casserole or my Comforting Potato Sausage Soup for more cozy recipes.
Cheesy Ground Beef & Potato Dinner Casserole Ingredients
For the Casserole
- Ground Beef – Provides savory depth and protein; substitute with turkey or chicken for a leaner option.
- Diced Potatoes – Adds heartiness; frozen diced potatoes may be used without thawing.
- Shredded Cheddar Cheese – Delivers creamy richness and flavor; can be swapped for mozzarella or pepper jack for a different taste.
- Onion – Enhances flavor; yellow or sweet onion can be substituted if preferred.
- Bell Peppers (Green & Red) – Contribute sweetness and color; other vegetables like corn or peas can be added to increase nutrition.
- Cream of Mushroom Soup – Acts as a creamy binder; can be replaced with cream of chicken soup or a homemade white sauce.
- Milk – Thins the soup mixture; may use almond or oat milk for a dairy-free alternative.
- Garlic Powder, Salt, Black Pepper – Seasonings to enhance overall flavor; fresh garlic can be used in place of garlic powder.
For the Topping
- Extra Shredded Cheddar Cheese – Melts beautifully on top, creating a delightful golden crust; feel free to mix in other cheeses for variation.
Step‑by‑Step Instructions for Cheesy Ground Beef & Potato Dinner Casserole
Step 1: Preheat Your Oven
Start by preheating your oven to 375°F (190°C). As it heats up, gather your ingredients, setting the stage for your delicious Cheesy Ground Beef & Potato Dinner Casserole. This step is crucial for achieving that perfect bubbly cheese topping later on.
Step 2: Brown the Beef
In a large skillet over medium heat, add the ground beef, cooking it for about 7-10 minutes until it’s fully browned and no longer pink. Stir occasionally to break up the meat for even cooking. Once done, drain any excess fat to keep your casserole from becoming greasy.
Step 3: Sauté the Vegetables
Next, add the chopped onion and bell peppers to the skillet with the browned beef. Sauté the mixture for about 5 minutes, or until the onions become translucent and the peppers soften. This adds a wonderful flavor base to your Cheesy Ground Beef & Potato Dinner Casserole.
Step 4: Prepare the Sauce Mixture
In a large mixing bowl, combine the cream of mushroom soup, milk, garlic powder, salt, and pepper. Stir well until all ingredients are thoroughly blended, creating a creamy sauce that will bind the casserole together. This mixture is key to developing that rich flavor.
Step 5: Combine Ingredients
Add the diced potatoes and the cooked beef and vegetable mixture into the bowl with your creamy sauce. Gently fold everything together until the potatoes are well-coated and evenly mixed. This ensures each bite of your casserole is packed with flavor.
Step 6: Assemble the Casserole
Transfer the combined ingredients into a greased 9×13-inch baking dish. Spread them out evenly, making sure it’s level for consistent cooking. Cover the dish tightly with foil; this will help keep the moisture in while baking, leading to tender potatoes.
Step 7: Bake Covered
Place the covered casserole in the preheated oven and bake for 60 minutes. The steam will cook the potatoes through, allowing the flavors to meld beautifully. Keep an eye on it and resist the urge to peek, as that will release heat.
Step 8: Add Cheese Topping
After 60 minutes, carefully remove the foil from the casserole. Generously sprinkle shredded cheddar cheese on top, ensuring an even distribution. Return the dish to the oven uncovered for an additional 10-15 minutes, or until the cheese is bubbly and golden brown—this is when the magic happens!
Step 9: Let It Rest
Once the cheese has melted beautifully, remove your Cheesy Ground Beef & Potato Dinner Casserole from the oven and let it rest for 5-10 minutes. This resting period allows the casserole to set up, making it easier to serve and enhancing the flavors.

What to Serve with Cheesy Ground Beef & Potato Dinner Casserole
Transform your special casserole into a complete meal with delightful sides and pairings that will tantalize your taste buds.
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Crispy Side Salad: A refreshing mix of greens with a tangy vinaigrette offers a perfect crunch to balance the creamy casserole.
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Garlic Bread: Warm, buttery garlic bread creates a delightful contrast, making it easy to scoop up that cheesy goodness.
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Steamed Green Beans: These vibrant veggies add freshness and a tender crunch, providing a light and nutritious counterpoint to the hearty dish.
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Roasted Brussels Sprouts: The slightly charred, nutty flavor of roasted Brussels sprouts adds depth, enhancing the overall taste experience.
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Creamy Coleslaw: A cool, creamy coleslaw brings a delightful crunch and a sweet tang, elevating your meal with textured contrast.
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Sweet Cornbread Muffins: These sweet, fluffy muffins are perfect for soaking up the rich flavors, making every bite more enjoyable.
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Sparkling Lemonade: A refreshing beverage that cuts through the richness, brightening your palate and keeping the meal lively.
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Chocolate Chip Cookies: End your comforting meal with these soft, warm cookies, delivering a chewy sweetness that everyone will love.
Expert Tips for Cheesy Ground Beef & Potato Dinner Casserole
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Uniform Potatoes: Cut your potatoes into evenly sized pieces to ensure they cook at the same rate, avoiding any crunchy bites in your casserole.
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Flavor Boost: Incorporate a pinch of paprika or cayenne pepper for an extra kick. This added spice enhances the dish’s overall depth and character.
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Make Ahead: Assemble the casserole the night before and refrigerate. This not only saves time but also allows the flavors to meld beautifully.
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Avoid Excess Moisture: If using frozen diced potatoes, check the packaging for moisture content. Too much moisture can make your casserole soggy, so consider patting them dry before adding.
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Don’t Skip Resting: Allow the casserole to rest for 5-10 minutes after baking. This step lets the layers set, making serving easier and the flavors even more delightful.
Make Ahead Options
Preparing the Cheesy Ground Beef & Potato Dinner Casserole ahead of time is a fantastic way to save time during those busy weeknights! You can assemble the entire casserole up to 24 hours in advance; simply cover it tightly and refrigerate until you’re ready to bake. If you prefer, you can also chop the vegetables and brown the beef a day ahead, storing them separately in the fridge. To maintain quality, ensure that the dish is well-covered to prevent drying out. When you’re ready to serve, just pop it in the oven straight from the fridge, adding an extra 10-15 minutes to the baking time. This way, you’ll enjoy that mouthwatering comfort food with minimal effort!
Cheesy Ground Beef & Potato Dinner Casserole Variations
Feel free to personalize this recipe to suit your taste and dietary preferences—let your creativity shine!
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Dairy-Free: Use almond or oat milk and a dairy-free cheese alternative for a comforting, guilt-free option.
For those avoiding dairy, the casserole can still deliver flavor and warmth. Just ensure to choose your favorite plant-based cheese for that cheesy goodness! -
Vegetable Boost: Add diced carrots, zucchini, or spinach to sneak in extra veggies and color.
Vibrant vegetables not only enhance the nutrition but also create a lovely contrast in both texture and taste, brightening up each bite! -
Spicy Kick: Mix in some diced jalapeños or a sprinkle of red pepper flakes for a delightful heat.
If you enjoy a fiery flavor, this twist will elevate the dish and tantalize your taste buds with each forkful. -
Herb Infusion: Throw in some fresh herbs like thyme or parsley for a fresh aroma and taste explosion.
Herbs can transform this cozy casserole into a gourmet meal with just a sprinkle, brightening up the comforting flavors beautifully. -
Sweet Potato: Swap out regular potatoes for sweet potatoes for a nutrition-packed, naturally sweet variant.
This swap adds a lovely sweetness and a vibrant color to your casserole, enhancing both taste and visual appeal.
If you’re a fan of comforting casseroles, don’t forget to give my delicious Mediterranean Ground Beef or warm Comforting Potato Sausage Soup a try—perfect additions to your cozy meal lineup!
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Cheese Variations: Experiment with different cheeses like mozzarella, gouda, or pepper jack for a unique flavor profile.
Whether you go for creamy mozzarella or zesty pepper jack, each variation offers a delightful twist you’re sure to love. -
Make it Vegetarian: Replace ground beef with lentils or black beans for a hearty vegetarian alternative.
Not only does this keep the heartiness intact, but it also caters perfectly to plant-based diets while still providing comfort.
Each of these variations opens the door to new flavors and textures, making it easy to adapt this cherished recipe for every occasion and palate!
How to Store and Freeze Cheesy Ground Beef & Potato Dinner Casserole
Fridge: Store leftovers in an airtight container for up to 4 days. Make sure to let it cool completely before sealing to keep the texture intact.
Freezer: Freeze the casserole in a freezer-safe container for up to 3 months. For best results, cover tightly with foil or plastic wrap to prevent freezer burn.
Reheating: When ready to enjoy, thaw overnight in the fridge. Reheat in the oven at 350°F (175°C) until warmed through, about 20-30 minutes. You can also microwave individual portions on medium heat until hot.
Serving Fresh: For the best taste, consume freshly baked Cheesy Ground Beef & Potato Dinner Casserole; leftovers are still delicious but may lose some creaminess.

Cheesy Ground Beef & Potato Dinner Casserole Recipe FAQs
How do I choose the best potatoes for this casserole?
Absolutely! When selecting potatoes, look for those that are firm and blemish-free, avoiding any with dark spots or excessive eyes. I recommend Yukon Gold or russet potatoes for their creamy texture, but other varieties like red potatoes can work too. If using frozen diced potatoes, check the packaging to ensure they are as dry as possible to avoid excess moisture in your casserole.
How should I store leftovers from the casserole?
For sure! Leftover Cheesy Ground Beef & Potato Dinner Casserole can be stored in an airtight container in the fridge for up to 4 days. Be sure to let the casserole cool completely before sealing to help maintain its texture.
Can I freeze the casserole?
Absolutely! You can freeze it for up to 3 months. To do this, allow the casserole to cool, then transfer it to a freezer-safe dish. Cover tightly with plastic wrap or foil to prevent freezer burn. When ready to eat, thaw it overnight in the fridge and reheat in the oven at 350°F (175°C) until hot, which should take about 20-30 minutes.
What can I do if my casserole is too watery?
Very good question! If your casserole turns out watery, it’s often due to excess moisture from the potatoes or not enough thickening from the sauce. To avoid this in the future, make sure to pat your frozen diced potatoes dry before adding them, and consider using a thicker cream soup or adding a little more cheese to help absorb extra liquid.
Are there any dietary considerations?
Yes! If anyone has dietary restrictions, this casserole can be easily adapted. For gluten-free options, use a gluten-free cream soup or a homemade white sauce. If you’re looking for a dairy-free version, almond or oat milk and dairy-free cheeses work well. Always double-check ingredients to ensure they fit dietary needs, particularly when it comes to canned soups.
Can I make this casserole ahead of time?
Absolutely! You can assemble the Cheesy Ground Beef & Potato Dinner Casserole the night before and store it in the refrigerator. This allows the flavors to meld beautifully, and when you’re ready to serve, just pop it in the oven at baking time. Be sure to cover it with foil for even cooking, and remember to add the cheese topping during the last 10-15 minutes of baking!

Cozy Up with Cheesy Ground Beef & Potato Dinner Casserole
Ingredients
Equipment
Method
- Preheat your oven to 375°F (190°C). Gather your ingredients.
- In a large skillet over medium heat, add the ground beef and cook for about 7-10 minutes until fully browned. Drain excess fat.
- Add chopped onion and bell peppers to the skillet and sauté for about 5 minutes until onions are translucent.
- In a large mixing bowl, combine cream of mushroom soup, milk, garlic powder, salt, and pepper. Stir until well blended.
- Add diced potatoes and cooked beef and vegetable mixture to the bowl. Fold gently until well coated.
- Transfer to a greased 9x13-inch baking dish and cover tightly with foil.
- Bake in the preheated oven for 60 minutes.
- After 60 minutes, remove foil and sprinkle extra cheddar cheese on top. Bake uncovered for an additional 10-15 minutes.
- Let the casserole rest for 5-10 minutes before serving.

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