Blueberry Peach Bourbon Cobbler - Blueberries

Ingredients

• 2 pounds fresh or frozen peaches, cut into thick wedges
• 1 ounce fresh or frozen blueberries
• 1/4 cup brown sugar
• 1/4 cup granulated sugar
• 1 1/2 tablespoons cornstarch
• 4 tablespoons bourbon
• 2 teaspoons vanilla extract
• 1 1/2 cups all purpose flour
• 2 tablespoons granulated sugar (plus 1 tbsp for sprinkling)
• 2 1/2 teaspoons baking powder
• 6 tablespoons cold unsalted butter, cut into small pieces
• 1/2 cup whole milk (plus 1 tsp for glazing biscuits)