1) Mix together gochujang, soy sauce, rice vinegar, brown sugar (or honey), sesame oil, garlic, ginger, ketchup, and gochugaru (optional for extra spice).
2) Score your pork shoulder and cover with half the marinade. Let it rest at least 4 hours or overnight. Simmer down the other half of the marinade for a sauce to mix in with your pork.
3) Take out of fridge and top with your favorite BBQ Rub.
4) Smoke at 225°F until you’ve built that beautiful bark, then wrap with apple juice.
5) Cook until probe tender, around 203°F. Make sure to rest your meat!
6) Shred, pour over the extra sauce, and serve.