If your cake is too warm, the simple syrup could make it mushy on the inside. Instead, wait until your cake has just barely cooled, and use a pastry brush to apply the syrup evenly over its surface.

How To Make Simple Syrup INGREDIENTS: Granulated Sugar & Water: To make simple syrup in its most basic form, all you need are two ingredients— granulated sugar and water—and a simple 1:1 ratio.