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Cheesy spaghetti casserole in a baking dish with melted golden cheese on top

Spaghetti Casserole

A flavorful, cheesy, and comforting spaghetti casserole made with rich marinara sauce, ground beef, and a gooey cheese topping.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings 6 people
Calories 400 kcal

Equipment

  • Large Pot
  • Skillet
  • Mixing bowls
  • Baking Dish (9x13 inches)
  • Oven

Ingredients
  

Base Ingredients

  • 12 oz spaghetti about 3/4 of a standard box
  • 1 lb ground beef or ground turkey for a lighter option
  • 2 cups marinara sauce store-bought or homemade
  • 1 tsp Italian seasoning or mix of oregano and basil
  • 1 tsp salt to taste
  • 1/2 tsp black pepper
  • 1 tbsp olive oil

Cheese and Binding

  • 2 cups shredded mozzarella cheese
  • 1 cup ricotta cheese optional for extra creaminess
  • 1/2 cup parmesan cheese for topping
  • 1 egg beaten, to help bind ingredients

Instructions
 

  • Preheat your oven to 350°F (175°C). Grease a 9x13-inch baking dish.
  • Cook the spaghetti according to package instructions until al dente. Drain and set aside.
  • In a skillet, heat olive oil over medium heat. Add ground beef and cook until browned. Drain excess fat.
  • Stir in marinara sauce, Italian seasoning, salt, and pepper. Simmer for 5 minutes.
  • In a large bowl, mix the cooked spaghetti with the beaten egg and half of the mozzarella cheese.
  • Spread a thin layer of marinara sauce on the bottom of the prepared baking dish.
  • Add half of the spaghetti mixture to the baking dish. Spread ricotta cheese evenly over the top.
  • Layer with half of the cooked meat sauce, then top with half of the remaining mozzarella cheese.
  • Repeat layers: remaining spaghetti, remaining meat sauce, and top with the rest of the mozzarella and parmesan cheese.
  • Bake for 25-30 minutes until cheese is melted and bubbly.
  • Let the casserole rest for 10 minutes before serving.

Notes

For a vegetarian version, replace ground beef with sautéed mushrooms, zucchini, and bell peppers.
Keyword Cheesy Pasta Bake, Comfort Food, Spaghetti Casserole