Brown ground beef and onion. ... 20 minutes. Prepare lasagna noodles and drain. In a 9x13 inch pan, arrange one layer noodles ... 10 minutes before cutting.
Preheat oven to 350 degrees. ... 9 inch baking pan. Add spaghetti sauce and ... the following order: Lasagna noodles, sauce, and cheese. Repeat ... Bake for 1 hour.