Olive Garden Lasagna Classico

Name: Olive Garden Lasagna Classico
Prep time: 1 h
Cook time: 30 min
Total time: 1 h 30 min
Cuisine: Italian
Ingredients: 2 tablespoons olive oil; 1 red onion, finely chopped; 3 garlic cloves, minced; 1/2 pound ground beef; 1/2 pound Italian sausage, chopped or crumbled; 1 (28 ounce) can crushed tomatoes; 1-2 tablespoons tomato paste; 1 1/2 teaspoons dried oregano, divided; salt and freshly ground black pepper; 2 tablespoons fresh basil, chopped; 16 ounces ricotta cheese; 1 large egg, lightly beaten; 12 lasagna noodles, cooked according to package directions; 2 cups shredded mozzarella cheese; 1/2 cup grated Parmesan cheese; 1/4 cup fresh parsley, chopped (for garnish)