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Cheesy Baked Spaghetti Layers

A rich and satisfying spin on a beloved classic, this decadent layered spaghetti casserole blends creamy cheeses, savory beef, and zesty marinara for an irresistible baked dish. Perfect for gatherings or a hearty family meal, it offers all the warmth and flavor of Italian-American comfort cuisine, beautifully combined in one bubbling casserole.
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Course: Casserole, Main Course
Cuisine: American, Italian
Keyword: Cheesy Baked Spaghetti Layers
Prep Time: 15 minutes
Cook Time: 25 minutes
Total Time: 40 minutes
Servings: 6

Ingredients

  • 225 g 8 oz block-style cream cheese, brought to room temperature
  • 450 g 1 lb dry spaghetti pasta
  • 24 oz 1 jar prepared marinara sauce
  • 1 tablespoon unsalted butter
  • 1 teaspoon garlic granules
  • ½ cup finely grated Parmesan cheese optional garnish
  • Salt and ground black pepper according to taste
  • 1 teaspoon Italian herb blend
  • 2 cups about 200g shredded mozzarella
  • 450 g 1 lb lean ground beef
  • ½ cup cultured sour cream
  • 1 cup smooth ricotta cheese

Instructions

  • Bring a large pot of salted water to a rolling boil. Add the spaghetti and cook according to the package directions until al dente. Drain well, then toss with the butter to prevent sticking. Set aside.
  • In a skillet over medium-high heat, cook the ground beef until browned and fully cooked through, breaking it apart with a spatula as it cooks. Drain any excess fat. Stir in the marinara sauce, garlic powder, Italian seasoning, salt, and pepper. Let simmer for 5 minutes, then remove from heat.
  • In a separate mixing bowl, combine the softened cream cheese, ricotta cheese, and sour cream. Mix until the mixture becomes smooth and fully integrated.
  • Preheat the oven to 350°F (175°C). Lightly grease a 9x13-inch (23x33 cm) baking dish.
  • Assemble the casserole by layering half of the cooked spaghetti in the bottom of the prepared dish. Evenly spread the cream cheese mixture over the pasta. Add the remaining spaghetti as the next layer.
  • Pour the beef and marinara mixture evenly over the top spaghetti layer. Sprinkle shredded mozzarella generously across the surface. If desired, add a final layer of grated Parmesan.
  • Place the casserole in the preheated oven and bake for approximately 25 minutes, or until the cheese is melted, bubbly, and lightly golden.
  • Remove from the oven and let rest for 5–10 minutes before slicing and serving.

Notes

For extra richness, the Parmesan topping is recommended but optional. This dish can be made ahead and refrigerated before baking—just add a few extra minutes to the bake time if starting cold.