There are some recipes that just feel like home, and this Cheesy Ground Beef and Potato Casserole is definitely one of them. I usually make it when I want something hearty and comforting without spending the entire evening in the kitchen.
It has layers of creamy mashed potatoes, flavorful ground beef, and a generous layer of golden melted cheese on top. Honestly, once it comes out of the oven bubbling around the edges, it’s hard to wait for it to cool enough to serve!
This is also a great way to use leftover mashed potatoes. Everything comes together in one baking dish, making it perfect for a cozy weeknight dinner or a family gathering.
Ingredients
For the Potato Layer
- 2½ lb potatoes, peeled and chopped
- 3 tbsp butter
- ½ cup milk
- ¼ cup sour cream or cream cheese
- ½ tsp garlic powder
- ½ tsp salt
- ¼ tsp black pepper
For the Beef Filling
- 1½ lb ground beef
- 1 medium onion, finely chopped
- 3 cloves garlic, minced
- 1 tbsp olive oil, if needed
- 1 tbsp tomato paste
- 1 cup tomato sauce
- ½ cup beef broth
- 1 tsp Worcestershire sauce
- 1 tsp paprika
- ½ tsp dried oregano
- ½ tsp black pepper
- ½ tsp salt
- 1 cup frozen mixed vegetables, optional
For the Topping
- 1½ cups shredded mozzarella cheese
- ½ cup shredded cheddar cheese
- 1 tbsp chopped fresh parsley
Step-by-Step Method
1. Prepare the Potatoes
Place the peeled and chopped potatoes in a large pot and cover them with cold water.
Add a little salt and bring to a boil. Cook for about 15–20 minutes, or until the potatoes are completely tender when pierced with a fork.
Drain well.
Return the potatoes to the warm pot and add the butter, milk, sour cream, garlic powder, salt, and black pepper.
Mash until smooth and creamy. I usually leave them just slightly textured rather than making them completely silky.
2. Cook the Ground Beef
Heat a large skillet over medium-high heat.
Add the ground beef and cook for about 5–7 minutes, breaking it apart with a wooden spoon as it browns.
Add the chopped onion and cook for another 3–4 minutes until softened.
Stir in the garlic and cook for about 30 seconds.
3. Build the Savory Beef Sauce
Add the tomato paste, tomato sauce, beef broth, Worcestershire sauce, paprika, oregano, salt, and black pepper.
Stir everything together and let it simmer for 8–10 minutes, allowing the sauce to thicken.
If you’re using frozen vegetables, stir them in during the final few minutes.
The filling should be flavorful and moist but not watery.
4. Assemble the Casserole
Preheat your oven to 375°F (190°C).
Lightly grease a deep baking dish.
Spread about half of the mashed potatoes across the bottom of the dish.
Spoon the seasoned ground beef mixture over the potatoes and spread it evenly.
Add the remaining mashed potatoes on top, gently spreading them all the way to the edges.
5. Add the Cheese
Sprinkle the mozzarella and cheddar evenly over the top.
Honestly, this is the part where I usually add an extra handful of cheese because that golden, bubbly topping is too good to resist!
6. Bake
Place the casserole in the preheated oven and bake for 25–30 minutes, until hot and bubbling.
For an extra golden top, switch the oven to broil for the final 2–3 minutes. Watch it closely so the cheese doesn’t burn.
7. Rest and Serve
Remove the casserole from the oven and let it rest for 10 minutes before serving.
Finish with fresh chopped parsley and scoop into generous portions.
Cooking Tips
- Drain the potatoes well. Excess water can make the potato layer loose.
- Don’t make the beef filling too watery. Let it simmer until nicely thickened.
- Season each layer. Properly seasoned potatoes make a big difference.
- For extra creamy potatoes, add a little more butter or sour cream.
- Let the casserole rest before cutting so the layers hold together better.
- Use freshly shredded cheese if possible because it melts beautifully.
- If using leftover mashed potatoes, let them come closer to room temperature before assembling.
Serving Suggestions
This casserole is filling enough to serve as a complete meal, but I love adding something fresh on the side.
Try serving it with:
- Simple green salad
- Steamed broccoli
- Roasted carrots
- Green beans
- Coleslaw
- Garlic bread
- Cucumber and tomato salad
A little sour cream or fresh parsley on top is also delicious.
Make-Ahead Instructions
This is a great make-ahead dinner.
Assemble the casserole completely, but don’t bake it. Cover tightly and refrigerate for up to 24 hours.
When you’re ready to cook it, let the dish sit at room temperature briefly while the oven preheats. Bake until heated through and the cheese is melted and golden.
If the casserole is very cold from the refrigerator, it may need a little extra baking time.
Storage and Reheating
Store leftovers in an airtight container or cover the baking dish tightly and refrigerate for up to 3–4 days.
Reheat individual portions in the microwave, or warm the casserole in a 350°F (175°C) oven until heated through.
You can also freeze the casserole in a freezer-safe dish for longer storage. Thaw overnight in the refrigerator before reheating.
Approximate Nutrition
Per serving, based on 6 servings:
- Calories: ~560
- Protein: ~32g
- Carbohydrates: ~43g
- Fat: ~30g
- Fiber: ~5g
- Sugar: ~7g
- Sodium: ~850mg
Nutrition is an estimate and will vary depending on the type of ground beef, cheese, potatoes, and other ingredients used.
Conclusion
This Cheesy Ground Beef and Potato Casserole is exactly the kind of comforting dinner I love having in my recipe rotation. You’ve got creamy potatoes, savory beef, a rich tomato sauce, and plenty of gooey cheese all baked together until golden and bubbly.
Honestly, it’s simple food, but sometimes those are the recipes everyone remembers. Make it ahead for a busy night, serve it with a fresh salad, and you’ve got an easy family dinner that feels wonderfully homemade.
Frequently Asked Questions
1. Can I use leftover mashed potatoes?
Absolutely! Leftover mashed potatoes work perfectly. Just make sure they’re not overly loose or watery. If they’re cold and firm, that’s even easier for layering.
2. Can I use ground turkey instead of beef?
Yes. Ground turkey can be substituted for the beef. Because turkey is leaner, you may want to add a little extra olive oil or sauce to keep the filling moist.
3. Can I add vegetables?
Definitely. Peas, carrots, corn, green beans, mushrooms, or spinach can all work well. Frozen mixed vegetables are especially convenient.
4. What cheese works best?
Mozzarella gives you a stretchy, melty topping, while cheddar adds stronger flavor. A combination of both is my favorite, but Monterey Jack or Colby Jack would also work nicely.
5. Can I make this casserole without tomato sauce?
Yes. For a creamy version, replace the tomato sauce with a little beef gravy or mushroom sauce. You’ll get a richer, more savory casserole with a different flavor profile.