This recipe is short and sweet. The perfect combination powder sugar, almond flavor, and milk. Try this recipe on our Breakfast Bread YUM!  Powdered sugar glaze is a basic icing/glaze used to glaze donuts or to coat or drizzle over many other desserts such as Bundt cakes, quick breads, cookies, and scones. This is by far the easiest type of icing to put together, with just three ingredients. The glaze can also be flavored in so many different ways.