How to Make Million Dollar Ravioli Casserole

Ingredients

• 2 tablespoons olive oil
• 1 medium onion, diced
• 2 cloves garlic, minced
• 1 can (28 ounces) crushed tomatoes
• 1 teaspoon dried oregano
• 1 teaspoon dried basil
• Salt and pepper, to taste
• 2 cups ricotta cheese
• 1 cup grated Parmesan cheese
• 1 cup shredded mozzarella cheese
• 1 large egg
• 1 teaspoon parsley, chopped
• 24 ounces frozen cheese ravioli
• 1 cup marinara sauce
• 1 cup shredded mozzarella cheese (for topping)
• Fresh basil leaves for garnish (optional)