Blueberry Crumb Topping
- Yield: Makes enough for 1 nine-inch cake
- 1 1/2 teaspoons ground cinnamon
- 1/2 teaspoon coarse salt
- 1/2 cup packed light-brown sugar
- 1 1/2 cups all-purpose flour
- 12 tablespoons (1 1/2 sticks) unsalted butter, room temperature
In a medium bowl, combine cinnamon, salt, sugar, and flour. Cut in the butter using your hands, two knives, or a pastry blender until well combined and crumbly.