Preheat oven to 350 degrees. Sauté onions, mushrooms and garlic.
Add sausage and sauté till browned, then add MID'S Sauce. If you like a saucy lasagna, use 2 jars.
In 9" x 11" baking dish, layer 1/3 sauce, ravioli, cottage cheese and mozzarella cheese. Repeat two times.
Cover with foil and bake for 45 minutes, then uncover and bake 15 more minutes. Make sure cheese is melted on top and bubbly.