Spray the inside of a 6-quart crockpot with cooking spray. Set aside.
Add all the ingredients to a medium bowl and whisk together.
Combine all the ingredients in a bowl and stir to combine.
Remove membrane from ribs and discard. See posts for detailed instructions on how to remove it.
Rub the dry rub all over the ribs.
Arrange in the crockpot and pour half of the bbq sauce on top.
Cook on low for 8-9 hours or on High for 5 hours.
Once the ribs are tender, transfer them to a rimmed baking sheet covered with foil.
Brush remaining BBQ sauce on top and broil for 5-10 minutes.
Let rest for 10 minutes before serving.
