Streusel

Directions

1. 1
   Combine the sugars in a small bowl with your fingertips, breaking up any lumps.
2. 2
   Add the flour and mix to combine.
3. 3
   Cut the butter into 8 pieces and scatter them over surface.
4. 4
   Work the butter in with your fingertips until the mixture resembles coarse crumbs.
5. 5
   Storing the Streusel: Refrigerate it in an airtight container for up to 1 week or freeze for up to 1 month.