Best Homemade Lasagna with Rich Meat Sauce and Creamy Ricotta - ioanacooks

Ingredients

• 1 tbsp olive oil
• 1 cup onion, chopped
• 2 garlic cloves, minced
• 1 lb ground beef
• 1/2 lb ground pork
• 28 oz canned diced tomatoes
• 2 tbsp tomato paste
• 1 tbsp granulated sugar
• 1/2 tsp dried basil
• 1/2 tsp dried oregano
• 1/2 tsp red pepper flakes
• Salt and black pepper to taste
• 16 oz full-fat ricotta cheese
• 1 large egg
• 1/4 tsp dried basil
• 9 lasagna noodles, uncooked
• 4 cups shredded mozzarella cheese, divided
• 1/4 cup grated Parmesan cheese