medium heat. Add onion, garlic, and bell peppers. Sauté until softened. Stir in tomato sauce, diced tomatoes, and tomato paste. Season with Italian seasoning, paprika, salt, and pepper. Simmer for 15 minutes.
Step 2: Prepare the Cheese Filling
In a bowl, combine ricotta cheese, egg, Parmesan, garlic powder, and parsley. Mix until smooth.
Step 3: Layer the Lasagna
Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish. Spread a thin layer of meat sauce on the bottom. Place 3 noodles on top. Spread ⅓ of the