sugar directly to the slow cooker. Stir gently to coat the berries evenly in sugar, spreading them into an even layer across the bottom.
Cover the slow cooker and cook the sugared blueberries on HIGH for 1 hour, or until the berries are bubbling vigorously and have released plenty of deep magenta juice. This hot, jammy base is what will steam and partially bake the biscuit topping.
While the blueberries cook, prepare the biscuit-style topping: In a medium bowl, add
