Lazy Lasagna Ii

Directions

1. 1
   Preheat oven to 375 degrees F (190 degrees C).
2. 2
   In a skillet over medium heat, brown ground beef with onion; drain grease. Pour in spaghetti sauce and simmer 5 minutes.
3. 3
   In a 9x13 inch baking dish, spread enough sauce and beef to cover bottom and put a layer of ravioli down end to end. Spread a layer of sauce and cheese just like you would with regular lasagna. Keep layering and finish with sauce on top.
4. 4
   Bake uncovered in a preheated oven for 1 hour. Let sit for 5 minutes before serving.