1 stick butter
1 c. milk
1 c. grated cheese
2 c. mashed, cooked squash
1 chopped onion
1 c. bread crumbs
2 eggs, beaten
Salt and pepper to taste
Paprika

Melt first 3 ingredients in pan. Add remaining ingredients, one at a time. Pour into casserole dish; sprinkle with paprika. Bake at 375 degrees for 40 minutes.