Million Dollar Ravioli Casserole

Name: Million Dollar Ravioli Casserole
Cuisine: European, American, Italian, Mediterranean
Ingredients: 2 packages (25 ounces each frozen cheese ravioli); 1 pound ground beef; 1 jar (24 ounces marinara sauce); 1 can (14.5 ounces diced tomatoes, drained); 1 cup ricotta cheese; 1 cup cottage cheese; 1 cup sour cream; 1 cup shredded mozzarella cheese; 1 cup shredded cheddar cheese; 1/2 cup grated Parmesan cheese; 2 tablespoons olive oil; 1 small onion (finely chopped); 2 cloves garlic (minced); 1 teaspoon dried oregano; 1 teaspoon dried basil; Salt and pepper to taste; Fresh parsley (chopped, for garnish)