Potato Refrigerator Rolls
["1 pkg. dry yeast", "2 c. lukewarm water", "1 c. mashed potatoes", "1 c. melted shortening", "3/4 c. sugar", "2 tsp. salt", "7 c. flour"]
["Soften yeast in water.", "Add mashed potatoes, shortening, sugar and salt.", "Cool; let stand in warm place until bubbly or about 2 hours.", "Add flour; beat well.", "Cover; chill.", "Shape dough (cold) into rolls.", "Let rise at room temperature about 3 hours.", "Bake 15 to 20 minutes in 425\u00b0 oven.", "Makes about 4 dozen."]
["yeast", "water", "potatoes", "shortening", "sugar", "salt", "flour"]