Potato Biscuits
["1/2 c. lukewarm milk (not hot)", "1 pkg. yeast", "1/4 c. melted shortening", "1/4 c. sugar", "1/2 c. lukewarm mashed potatoes", "3/4 tsp. salt", "1/4 c. flour", "2 c. flour"]
["Put in a mixing bowl first 2 ingredients.", "Let stand 5 minutes. Stir in next 5 ingredients.", "Beat thoroughly.", "Cover; let rise until light.", "Add 2 cups flour.", "Mix thoroughly.", "Cover and again let rise to about double in size.", "Turn onto a floured board.", "Pat and roll 1/4-inch thick.", "Shape in any shape desired.", "Bake at 425\u00b0 for 12 to 20 minutes according to size of the biscuits.", "Makes about 18."]
["milk", "yeast", "shortening", "sugar", "potatoes", "salt", "flour", "flour"]