Steps
1. Preheat oven to 375°F (190°C).
2. Cook lasagna noodles according to package instructions, then drain.
3. In a skillet, cook ground sausage over medium heat until browned and cooked through. Drain excess fat.
4. In a small baking dish, spread a thin layer of pasta sauce.
5. Layer one lasagna noodle, then spread a portion of ricotta cheese over it.
6. Add cooked sausage evenly over the ricotta, then drizzle with pasta sauce.
7. Sprinkle with parmesan and mozzarella cheese.
8. Repeat layering with remaining noodles, ricotta, sausage, sauce, and cheeses, finishing with a cheese topping.
9. Cover with foil and bake for 25 minutes.
10. Remove foil and bake an additional 10 minutes until cheese is bubbly and golden.
11. Let stand for 5 minutes before serving.