5tablespoonscold unsalted buttercut into small bits
2/3 to 1cupplain whole milk yogurt
1tablespoonraw or other coarse sugar for finishing
Heat oven to 400°F (205°C). Line a large baking sheet with parchment paper or a silpat.
In a large bowl, combine flours, sugar, spices, baking powder and salt. Add the cold butter using your fingers or a pastry blender combine with the flour mixture until it is the size of petit peas. Add the berries, toss to coat, and then add the yogurt. Mix until only just combined.
Transfer dough to a well-floured counter and form into a one inch tall disc. Cut into 8 to 10 wedges, things might be a bit goopy. Carefully transfer the wedges to prepared baking sheet, spacing them at least an inch apart. Brush with egg and sprinkle with coarse sugar.
Bake for 15 to 17 minutes or until golden brown on top. Serve warm.