1 lb. squash
1 small onion diced
1 tsp. salt
1 c. grated cheese
1/2 c. Ritz crackers (crushed)
2 tbsp. butter
1/4 c. milk
1/2 can cream of mushroom soup

Lightly grease 2 qt. baking dish. Mix together all ingredients. Pour into baking dish. Add more cheese and crackers crumbs on top (as much desired) and spoon remaining soup over top.

Bake at 350°F until golden brown.