A Cheesy Ground Beef Casserole is the definition of comforting, hearty dining. This dish features a savory base of browned ground beef simmered in a rich, creamy white sauce, layered with tender pasta or vegetables, and crowned with a thick blanket of melted cheddar cheese that browns slightly at the edges. The texture is a satisfying contrast between the soft, saucy interior and the gooey, golden crust. It is an ideal solution for busy weeknights when you need a hot meal on the table quickly, yet it is substantial enough to serve as a centerpiece for a casual family dinner or a potluck gathering. The flavors are straightforward but deeply satisfying, relying on the natural savoriness of the beef and the sharpness of the cheese rather than complex spices. For those looking to explore more simple, crowd-pleasing meals, Follow Hailee Recipes on Pinterest for daily inspiration.

Why This Recipe Works

The success of this casserole lies in the balance between moisture retention and structural integrity. By browning the ground beef thoroughly before combining it with the sauce, we develop a deep, meaty flavor through the Maillard reaction, which prevents the final dish from tasting bland or boiled. The creamy white sauce acts as a binder, ensuring that every bite of pasta or vegetable is coated evenly without becoming dry during the baking process. Using a generous amount of cheddar cheese provides both fat and salt, which enhances the overall savoriness while creating that desirable stretchy texture upon serving. Baking the dish in a covered casserole dish initially allows the flavors to meld and the pasta to finish cooking in the steam, while uncovering it toward the end creates the perfect crispy, golden top layer. This method ensures the dish remains moist inside while developing a delicious crust outside.

Ingredients

To make this casserole, you will need standard pantry staples and fresh ingredients that are easy to find. The following list represents the core components required to build the layers of flavor and texture described above.

Ground Beef: 1 pound (450g) of lean or regular ground beef. Lean beef reduces excess grease, while regular adds richness.
Pasta: 8 ounces (225g) of elbow macaroni or shell pasta, uncooked.
Butter: 3 tablespoons of unsalted butter.
All-Purpose Flour: 3 tablespoons to create the roux for the sauce.
Milk: 2 cups of whole milk for a creamy consistency.
Chicken Broth: 1 cup of low-sodium chicken broth to thin the sauce and add depth.
Dried Thyme: 1 teaspoon of dried thyme leaves.
Salt: 1 teaspoon of kosher salt, adjusted to taste.
Black Pepper: ½ teaspoon of freshly ground black pepper.
Cheddar Cheese: 2 cups of shredded sharp cheddar cheese, divided.
Garnish: Fresh thyme sprigs for serving.

How To Make Cheesy Ground Beef Casserole

Prepare the Pasta and Oven: Preheat your oven to 375°F (190°C). Bring a large pot of salted water to a boil. Add the uncooked elbow macaroni and cook according to package directions until al dente, usually about 7 to 8 minutes. Drain the pasta well and set it aside. While the water heats, lightly grease a 9×13-inch baking dish with butter or non-stick spray to prevent sticking.
Brown the Beef: In a large skillet over medium-high heat, add the ground beef. Break the meat apart with a wooden spoon as it cooks. Cook until the beef is fully browned and no pink remains, which should take about 6 to 8 minutes. If using regular ground beef with high fat content, carefully drain any excess grease from the pan, leaving about one tablespoon behind for flavor. Stir in the dried thyme, salt, and black pepper into the cooked beef.
Create the Creamy Sauce: Reduce the heat under the skillet to medium-low. Add the 3 tablespoons of butter to the beef and let it melt. Sprinkle the flour over the butter and beef mixture, stirring constantly for about 1 minute to cook off the raw flour taste. Slowly pour in the milk and chicken broth while whisking continuously to ensure there are no lumps. Continue to stir and simmer the mixture for 3 to 5 minutes until it thickens enough to coat the back of a spoon.
Combine the Layers: Remove the skillet from the heat. Stir in 1½ cups of the shredded cheddar cheese until it melts completely into the sauce, creating a smooth, cheesy gravy. Gently fold the drained pasta into the beef and cheese mixture until every piece of pasta is evenly coated. Transfer the entire mixture into the prepared 9×13-inch baking dish, spreading it out evenly with a spatula.
Bake Until Golden: Sprinkle the remaining ½ cup of cheddar cheese evenly over the top of the casserole. Cover the dish tightly with aluminum foil and bake for 20 minutes. After 20 minutes, remove the foil and continue baking for another 10 to 15 minutes, or until the cheese is fully melted, bubbly, and starting to turn golden brown at the edges. Let the casserole rest for 5 to 10 minutes before serving to allow the sauce to set slightly.

Doneness And Troubleshooting

Knowing when the casserole is ready involves observing both visual cues and texture. The internal temperature of the dish should be steaming hot throughout, ideally reaching at least 165°F (74°C) if measured with a food thermometer, though the bubbling sauce is a reliable visual indicator. If the top begins to brown too quickly before the center is hot, loosely tent the dish with foil again to prevent burning while allowing the heat to penetrate. Conversely, if the cheese isn’t melting after the recommended time, extend the baking by 2 to 3 minutes. If the sauce appears too thick or dry before baking, stir in an additional quarter cup of milk or broth. If the casserole seems too loose or soupy after baking, let it rest longer; the pasta will continue to absorb liquid as it cools. Ensure the beef is fully drained of grease before adding the flour to avoid a greasy final product.

Substitutions And Variations

This recipe is versatile and can be adapted to suit dietary preferences or ingredient availability. For a lighter version, substitute the whole milk with 2% or skim milk, though the sauce may be slightly less rich. You can replace the ground beef with ground turkey or chicken for a leaner alternative, keeping in mind that poultry has a milder flavor that pairs well with the thyme. If you prefer a different pasta shape, penne or rotini works just as well as elbow macaroni. For a dairy-free option, use plant-based butter and a dairy-free cheddar-style shreds, noting that these may not melt as smoothly as traditional cheese. Adding diced onions or bell peppers to the beef while it browns introduces extra sweetness and texture. If you want a spicier kick, stir in a pinch of cayenne pepper or red pepper flakes along with the seasonings.

Serving Suggestions

Serve the Cheesy Ground Beef Casserole warm, garnished with fresh thyme sprigs to add a pop of color and a hint of aromatic freshness. It pairs beautifully with a crisp green salad dressed in a light vinaigrette to cut through the richness of the cheese and cream. A side of garlic bread or crusty rolls is excellent for soaking up any extra sauce left on the plate. For a complete meal, consider adding steamed broccoli or roasted carrots on the side. The casserole holds its shape well when plated, making it suitable for family-style dining where everyone serves themselves directly from the dish.

Storage And Reheating

Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. When reheating, place individual portions in a microwave-safe bowl and cover loosely to retain moisture, heating in 30-second intervals until warm. Alternatively, reheat the entire casserole in the oven at 350°F (175°C) covered with foil for about 20 minutes, removing the foil for the last 5 minutes to restore the crispness of the cheese topping. Freezing is also an option; allow the casserole to cool completely, then wrap the dish tightly in plastic wrap and aluminum foil. It can be frozen for up to 2 months. To thaw, move the casserole to the refrigerator overnight before reheating as directed. Do not refreeze previously frozen leftovers.

This casserole offers a reliable way to prepare a hot, satisfying meal with minimal effort. By focusing on proper browning techniques and sauce consistency, you ensure a result that is flavorful and texturally pleasing every time. Whether made for a quick Tuesday dinner or a weekend gathering, it delivers consistent results that please everyone at the table.

Hailee Nova

Cheesy Ground Beef Casserole

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Prep Time 15

Cook Time 45

Total Time 1

Servings: 6 servings

Course: Main

Cuisine: American

Calories: 580

Ingredients Method Notes

Ingredients

1 pound 450g ground beef
8 ounces 225g elbow macaroni, uncooked
3 tablespoons unsalted butter
3 tablespoons all-purpose flour
2 cups whole milk
1 cup low-sodium chicken broth
1 teaspoon dried thyme leaves
1 teaspoon kosher salt
½ teaspoon freshly ground black pepper
2 cups shredded sharp cheddar cheese divided
Fresh thyme sprigs for garnish

Method

Preheat oven to 375°F (190°C). Boil salted water and cook macaroni until al dente. Drain and set aside. Grease a 9x13-inch baking dish.
Brown ground beef in a large skillet over medium-high heat until no pink remains. Drain excess grease if necessary. Stir in thyme, salt, and pepper.
Reduce heat to medium-low. Melt butter in the skillet with the beef. Whisk in flour and cook for 1 minute. Slowly add milk and broth, whisking until smooth and thickened.
Remove from heat and stir in 1½ cups of cheddar cheese until melted. Fold in the cooked pasta until evenly coated.
Transfer mixture to the baking dish. Top with remaining ½ cup cheese. Cover with foil and bake for 20 minutes. Uncover and bake 10-15 minutes more until bubbly and golden. Rest 5 minutes before serving.