Ingredients

• 12 lasagna noodles
• 1 pound ground beef
• 1 onion, chopped
• 2 cloves garlic, minced
• 24 ounces marinara sauce
• 15 ounces ricotta cheese
• 1 egg
• 2 cups shredded mozzarella cheese
• 1 cup grated Parmesan cheese
• 2 teaspoons dried oregano
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1 tablespoon olive oil

Instructions

1. 1Preheat oven to 375°F (190°C) — 10 minutes
2. 2Cook lasagna noodles according to package instructions — 10 minutes
3. 3In a large skillet, heat olive oil and sauté onion and garlic until soft — 5 minutes
4. 4Add ground beef to the skillet and cook until browned — 8 minutes
5. 5Stir in marinara sauce, oregano, salt, and pepper; simmer for 10 minutes — 10 minutes
6. 6In a bowl, mix ricotta cheese, egg, and half of the Parmesan cheese — 5 minutes
7. 7Spread a layer of meat sauce in a baking dish, followed by noodles, ricotta mixture, and mozzarella cheese — 10 minutes
8. 8Repeat layers, finishing with meat sauce and remaining mozzarella and Parmesan on top — 10 minutes
9. 9Cover with aluminum foil and bake in preheated oven — 30 minutes
10. 10Remove foil and bake until cheese is bubbly and golden — 20 minutes
11. 11Let lasagna cool for 10 minutes before slicing and serving — 10 minutes