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Freshly baked dish with browned cheese crust and a garnish of parsley.

Classic Ground Beef Casserole

Classic Ground Beef Casserole made with ground beef, onion, garlic, tomato sauce, beef broth, pasta, cheddar, mozzarella, sour cream, olive oil, and parsley.
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Course: Dinner, Main Course
Cuisine: American
Keyword: Classic Ground Beef Casserole
Prep Time: 15 minutes
Cook Time: 30 minutes
Servings: 6

Ingredients

  • 1 lb ground beef 450 g
  • 1 medium onion diced
  • 2 cloves garlic minced
  • 1 cup tomato sauce 240 g
  • 1 cup beef broth 240 ml
  • 1 tsp salt
  • ½ tsp black pepper
  • 1 tsp Italian seasoning
  • 2 cups cooked pasta elbows, rotini, or any short pasta
  • 1 cup shredded cheddar cheese
  • 1 cup shredded mozzarella cheese
  • ½ cup sour cream
  • 1 tbsp olive oil
  • Chopped parsley for garnish, optional

Instructions

Prepare the oven and baking dish.

  • Preheat the oven to 375°F / 190°C. Lightly grease a 9×13-inch baking dish and set aside.

Cook the onion.

  • Heat the olive oil in a large skillet over medium heat. Add the diced onion and cook for 3 to 4 minutes, or until softened.

Brown the ground beef.

  • Add the ground beef to the skillet. Cook until fully browned, breaking the meat apart as it cooks. Drain any excess grease.

Add the garlic and sauce ingredients.

  • Stir in the minced garlic, tomato sauce, beef broth, salt, black pepper, and Italian seasoning. Mix until evenly combined.

Simmer the mixture.

  • Allow the beef mixture to simmer for 5 minutes, stirring occasionally, so the flavors can blend and the sauce can slightly thicken.

Add the sour cream.

  • Stir in the sour cream until the sauce becomes smooth and creamy.

Add the cooked pasta.

  • Fold the cooked pasta into the beef mixture until the pasta is evenly coated with the creamy sauce.

Transfer to the baking dish.

  • Spoon the beef and pasta mixture into the prepared 9×13-inch baking dish. Spread it into an even layer.

Add the cheese topping.

  • Sprinkle the shredded cheddar cheese and shredded mozzarella cheese evenly over the top of the casserole.

Bake the casserole.

  • Bake for 15 to 18 minutes, or until the cheese is fully melted and bubbling.

Rest before serving.

  • Remove the casserole from the oven and allow it to rest for 5 minutes before serving.

Garnish and serve.

  • Garnish with chopped parsley, if desired. Serve warm.

Notes

To make this recipe gluten-free, replace the regular pasta with certified gluten-free short pasta, such as gluten-free elbows, rotini, penne, or shells.
Use a certified gluten-free beef broth, as some broths may contain wheat-based flavorings or additives.
Check the tomato sauce label to ensure it is gluten-free and does not contain gluten-based thickeners or seasoning blends.
Confirm that the Italian seasoning, shredded cheddar cheese, shredded mozzarella cheese, sour cream, salt, black pepper, olive oil, and parsley are gluten-free.
If using pre-shredded cheese, review the label carefully, as some brands may use anti-caking ingredients that are not certified gluten-free.
Prepare the casserole with clean cookware, utensils, cutting boards, and baking dishes to prevent cross-contamination, especially if cooking for someone with celiac disease or a strong gluten sensitivity.