1Add orange juice, apple cider vinegar, vegetable oil, lemon juice, seasoning salt, cumin, black pepper, onion powder, garlic powder, chili powder, paprika, achiote paste, and a small piece of fresh onion into a blender.
2Blend the ingredients until smooth to create the marinade.
3Pour the marinade over your choice of meat, ensuring it is all getting covered.
4Cover the marinated meat with plastic and let it marinate in the fridge overnight.
5Place the marinated meat on a hot grill.
6Flip the meat to cook evenly on both sides.
7Once cooked, remove the meat from the grill.
8Slice the cooked meat into small pieces.
9Assemble your tacos by placing the chopped meat on tortillas.