Tender Potato Biscuits

Ingredients (9)

• + 2 ½ cups all-purpose flour add to pantry
• + 2 tablespoons baking powder add to pantry
• + 1 teaspoon salt add to pantry
• + ¼ cup sugar add to pantry
• + ¼ cup butter or margarine add to pantry
• ✓ 1 ½ cups leftover mashed potatoes
• + 1 egg, beaten add to pantry
• + ⅓ cup cold water add to pantry
• + ⅓ cup milk add to pantry