1 package frozen meat or cheese ravioli
Spaghetti sauce (homemade or prepared)
Heat oven to 350 degrees F.
Cook the ravioli as directed on the package.
Spread a little spaghetti sauce on the bottom of a casserole dish. Put ravioli on top of the sauce. Spread more sauce over the ravioli.
Cover with mozzarella cheese and bake until the cheese is melted.