3/4 cup sugar
2 cups plus 1 tablespoon self-rising flour
2 cups fresh blackberries
1/4 cup (1/2 stick) butter, cold, cut into small pieces, plus more for greasing
1/2 to 2/3 cup milk
Vanilla ice cream, for serving
If you don't have self-rising flour, substitute 2 cups all-purpose flour mixed with 3 teaspoons baking powder and 1/4 teaspoon salt.