Sweet Potato Pie
["2 c. cooked sweet potatoes", "1 c. sugar", "2 Tbsp. melted butter", "1 tsp. baking powder", "2 eggs, well beaten", "1/4 tsp. salt", "1/2 c. milk"]
["Mash potatoes.", "Measure and add other ingredients.", "Pour into unbaked pie shell and bake at 400\u00b0 for 15 minutes.", "Reduce heat to 325\u00b0 and cook until firm."]
["cooked sweet potatoes", "sugar", "butter", "baking powder", "eggs", "salt", "milk"]