Trim visible fat on ribs to 1/4 inch.
Pat ribs dry with paper towel.
Rub 1/2 tablespoons dry rub on top side. Brush on 1/2 tablespoon yellow mustard. Repeat on bottom side.
Cut ribs into 4 sections.
Wrap in plastic wrap and let rest for 8-24 hours.
Add 1/2 cup each of apple juice and apple cider vinegar to bottom of Instant Pot. Add 1 teaspoon (optional) of liquid smoke as well.
Place Instant Pot steamer rack in bottom of Instant Pot. Place the 4 rib sections around the Instant Pot making sure there is no overlap.
Seal Instant Pot. Cook for 30 minutes on high pressure.
Preheat oven to broil.
Once 30 minute timer is done, do 10 minute natural release.
Remove ribs from Instant Pot. Brush or mop on BBQ sauce. Sprinkle turbinado sugar on top.
Place under broiler for 5-10 minutes. Remove from oven.
Add extra sauce if desired.
Enjoy!
Recipe adapted from Food Network