Ingredients
21 oz can of blackberry filling (Feel free to substitute with fresh blackberries if available)
1½ cups of flour
⅓ cup brown sugar
⅓ cup sugar
1½ tsp baking powder
½ tsp salt
½ cup butter, cubed into small pieces (ensure it’s cold for the best texture)
⅓ cup boiling water
1 tbsp coarse sugar (for that delightful crunch on top)