Quick Whole Wheat Dinner Rolls : 3/4 cup whole milk, 3/4 cup water, 1/4 cup (1/2 stick) unsalted butter, room temperature, 3 cups (or more) white whole wheat flour* or regular whole wheat flour, 3/4 cup instant mashed potato flakes, 1/4 cup nonfat dry milk powder, 3 tablespoons sugar.