Pierogi Casserole - cooking recipe

Ingredients

3 sticks melted butter
1 large onion
1 can sauerkraut
1 box lasagna noodles
1 box instant mashed potatoes
shredded Cheddar cheese

Preparation

Take 1/2 stick butter, saute onion in this.
Pan-fry sauerkraut in other 1/2 stick of butter until soft.
Cook lasagna noodles al dente.
Make mashed potatoes according to package directions for 6 to 8 servings.