Chicken-Macaroni Casserole

INGREDIENTS

3 1/2 cups

Chicken, cooked

1/2 cup

Onion

2 10 3/4 ounce cans

Cream of chicken soup

3 tbsp

Butter or 3 tablespoons margarine

2 1/2 cups

Macaroni, cooked

1

Pepper

1

Salt

1/4 cup

Ritz cracker crumbs

2 cups

Cheddar cheese

1 cup

Milk