This topping is the crowning glory of Chocolate Babka.
- 1 2/3 cups confectioners' sugar
- 1 1/3 cups all-purpose flour
- 12 tablespoons (1 1/2 sticks) unsalted butter, room temperature
In a large bowl, combine sugar, flour, and butter. Using a fork, stir until fully combined with clumps ranging in size from crumbs to 1 inch.