1 box lasagna noodles
1 lb. cheddar cheese, shredded
Approx. 3 c. instant mashed potatoes
1 1/2 stick butter
2 diced onions

Make about 3 cups of instant mashed potatoes. Put diced onions in with mashed potatoes. Line bottom of pan with butter. Make layers with noodles, mashed potatoes and cheese. Cover with foil. Bake 30 to 35 minutes in 350 degree oven.