Main Meat Sauce:

• 12 lasagna noodles
• 1 tablespoon olive oil
• 1 lb ground beef
• 1/2 lb Italian sausage (casings removed)
• 1 small onion (finely chopped)
• 3 cloves garlic (minced)
• 1 (28 oz) can crushed tomatoes
• 1 (6 oz) can tomato paste
• 1 (15 oz) can tomato sauce
• 1/4 cup chopped fresh basil (or 1 tablespoon dried)
• 1 teaspoon dried oregano
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1/4 teaspoon red pepper flakes (optional)

Cheese Filling:

• 15 oz ricotta cheese
• 1 large egg
• 1/4 cup grated Parmesan cheese
• 2 tablespoons chopped parsley
• 1/2 teaspoon salt

For Layering:

• 3 cups shredded mozzarella cheese
• Extra Parmesan for topping