Step 3
In a bowl, whisk together the flours, sugar, baking powder and salt. Using a fork, mix in the grated butter until pea sized lumps form. Stir in the greek yogurt until just combined.
Step 4
Pour the peach mixture into the skillet. Drop spoonfuls of batter over the peaches. Brush the tops of the batter with milk. Bake for 25-30 minutes.