
Whisk flour, cocoa powder, baking powder sugar and salt in a mixing bowl. Add shortening, with fingers work into dry ingredients.
Gradually add warm water until a soft dough begins to form, adding more warm water if needed.
Shape dough into a ball, wrap in plastic wrap and place in fridge to chill for at least an hour or overnight.
On a lightly floured surface, unwrap dough and cut in half. With a floured rolling pin, roll each piece into a circle, about ΒΌ inch thickness.
Cut dough into 2 to 3 -inch squares.
Makes 18-20