My Family's Favorite Easy Ricotta Cheese Mixture

Ingredients

• 1 tablespoon olive oil (15 mL)
• 1 onion, diced
• 2 garlic cloves, minced
• 1 pound ground beef (450 g)
• 1 can (14 oz) crushed tomatoes (400 g)
• 2 tablespoons tomato paste (30 g)
• 1 teaspoon dried oregano (5 g)
• 1 teaspoon dried basil (5 g)
• Salt
• pepper
• 15 oz ricotta cheese (425 g)
• 1 large egg
• 1 cup grated Parmesan cheese (100 g)
• 1 tablespoon fresh parsley, chopped (15 g)
• ½ teaspoon salt (3 g)
• ¼ teaspoon black pepper (1 g)
• 12 lasagna noodles, cooked al dente (or no-boil noodles)
• 2 cups shredded mozzarella cheese (200 g)
• Additional parsley for garnish (optional)