Streusel is a sweet topping made by rubbing flour, sugar, and butter together into coarse crumbs. It forms a crisp top layer as it bakes and is sprinkled over cakes, pies, and other desserts. Its name comes from the German word for “sprinkle,” describing how it is used.
Where It’s Used
“Crumble the streusel between your fingers and sprinkle it over the cake.”