the biscuits set more nicely. Make sure the towel edges are well away from the heating element.
Continue cooking on HIGH for 1 to 1 1/2 hours, or until the biscuit topping is puffed, cooked through in the center, and lightly golden on top. The fruit should be thick, glossy, and bubbling around the edges.
To check doneness, insert a toothpick into the center of one biscuit; it should come out without wet batter, though a few moist crumbs are fine.
Once done, turn off the slow cooker and