INGREDIENTS
1
(4 to 6 pound) pork butt or shoulder
Kosher salt and freshly cracked black pepper ,
Cajun seasoning ,
1 tbsp
vegetable or canola oil
1
small onion , sliced (about a cup)
2 12 ounce cans
of Coca-Cola, Dr Pepper or root beer
1 cup
homemade or commercial barbecue sauce , plus more for dressing