¼ cup plus 1 tablespoon (71 grams) cold unsalted butter, cubed
Instructions
In a small bowl, stir together flour, sugars, walnuts, oats, zest, salt, vanilla bean paste, and cinnamon. Using your fingertips, cut in cold butter until pea-size crumbs remain. Squeeze mixture into small and large clumps. Refrigerate until ready to use.
Recipe by Bake from Scratch at https://bakefromscratch.com/persimmon-apple-crisp/