Sweet Potato Casserole
["3 c. cooked, mashed sweet potatoes", "1 c. sugar", "2 eggs", "1 Tbsp. vanilla", "1/2 c. butter or margarine", "1/8 tsp. black walnut flavoring (optional)", "1/2 c. milk"]
["Combine all ingredients.", "Beat with mixer until smooth.", "Spoon into a greased 1-quart casserole.", "Bake 20 to 30 minutes at 325\u00b0."]
["potatoes", "sugar", "eggs", "vanilla", "butter", "black walnut flavoring", "milk"]