Reserve about a 3rd of the can of chipotles.
Put the rest in a blender. Add 1/4 cup lime juice, 1/4 cup olive oil, 4 cloves of garlic, some cilantro leaves ( if you have those there), salt and pepper.
Put the chicken in a container and marinate it for at least 3 hours or better yet overnight.
Take the rest of the chipotles and blend them,saute some chopped onions in olive oil...salt pepper. pour chipotle in sauce pan and with nedium heat going add 1/4 cup brown sugaar 1/4 cup apple cider vinegar. simmer for 30 minutes....add any other spices you want. This is your BBQ sauce.
Grill the chicken. When it's 2/3rds done start basting it with the BBQ sauce.
Oh,,,,moving this to the recipe folder.