The Test Kitchen loves this handy gadget called an offset spatula. The angled steel blade is flexible enough to keep your hands free of frosting and is perfect for spreading batter in a pan. They range in length from 6 to 14 inches. Our best advice is to use one that feels the most comfortable in your hand. Prices range from less than $10 to more than $30. This useful utensil is also called a bent icing knife.