Mom s Yummy Onion Casserole

¼ cup butter

9 large onions, sliced

1 (7 ounce) bag sour cream-and-onion-flavored potato chips, crushed

1 cube beef bouillon

½ cup water

1 (10.75 ounce) can condensed cream of mushroom soup

2 cups shredded Cheddar cheese

Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13 inch baking dish.

Melt butter in a large skillet over medium-high heat. Saute onions until tender. Transfer to prepared dish and top with crushed potato chips.

Dissolve bouillon in water and mix with mushroom soup; pour over chips and onions. Top with cheese.

Bake in preheated oven for 25 to 30 minutes.