This was my grandpa's favorite treat, and he always requested it on his birthday.
Preparation Time
20 mins
Cooking Time
25 mins
Total Time
45 mins
Calories
555 Calories
Recipe Instructions
Step 1
Preheat an oven to 375 degrees F (190 degrees C). Butter a 9x13-inch baking dish.
Step 2
Place the blackberries in a mixing bowl, and sprinkle with lemon juice. Toss with 1 cup sugar and cornstarch until evenly coated. 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. 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. Brush the top of the batter with additional buttermilk to moisten, then sprinkle with the remaining 1/4 cup of sugar.
Step 3
Bake in the preheated oven until the the fruit is tender, and the biscuit top is golden, about 25 minutes.