Cut your pork roast into 4-5 large chunks.
Coat meat with salt, onion powder, and garlic powder.
Add liquid smoke (optional).
Chop onion and place in the pot.
Place pork in the pot and pour in Dr. Pepper soda.
Add BBQ sauce.
Place pot on Manual High pressure for 50 minutes.
Do a natural release of pressure for 10 minutes.
Remove pork and drain juices.
Shred with a fork and top with more BBQ sauce. Enjoy.
