Kentucky Blackberry Cobbler

Ingredients

• 1 tablespoon double-acting baking powder 
• 2 teaspoons baking soda 
• 6 cups blackberries fresh
• 1 cup butter diced chilled
• 1.3 cups buttermilk for brushing
• 2 teaspoons cornstarch 
• 4 cups flour all-purpose
• 1 teaspoon ground cinnamon 
• 2 teaspoons juice of lemon 
• 1 tablespoon salt 
• 0.3 cup sugar white

Equipment

• bowl
• oven
• whisk
• mixing bowl
• baking pan
• pastry cutter

Directions

1. Preheat an oven to 375 degrees F (190 degrees C). Butter a 9x13-inch baking dish.
2. Place the blackberries in a mixing bowl, and sprinkle with lemon juice. Toss with 1 cup sugar and cornstarch until evenly coated.
3. Place into the prepared baking dish, and arrange the cubes of butter on top. In a large bowl, whisk the flour, 1/4 cup sugar, cinnamon, salt, baking powder, and baking soda together.
4. Cut in 1 cup of chilled, diced butter using a pastry cutter until the butter is in pieces no larger than a pea. Stir in the buttermilk until a batter has formed. Spoon the batter evenly over the blackberries.
5. Brush the top of the batter with additional buttermilk to moisten, then sprinkle with the remaining 1/4 cup of sugar.
6. Bake in the preheated oven until the the fruit is tender, and the biscuit top is golden, about 25 minutes.