Ingredients:
- 1 lb spaghetti
- 1 lb ground beef
- 1 jar (24 oz) marinara sauce
- 1 package (8 oz) cream cheese, softened
- 1 cup ricotta cheese
- 1 cup sour cream
- 1/2 cup grated Parmesan cheese
- 2 cups shredded mozzarella cheese
- 1/4 cup unsalted butter, sliced
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- Salt and pepper to taste
- Fresh parsley, chopped (for garnish)
