I like to hot smoke my garlic after a cook using the remaining heat, bung on some oak on a indirect heat at about 150F for 90 minutes or so & it's lush. Won't keep as long as cold smoked as the cloves are a bit softer, but smells beautiful in the house.
Better still, crush some up to make garlic butter.
Grab a nice big spanish onion & stick that directly on the charcoal for an hour until it pops. fantastic with brisket in a sandwich......
Cheers n Gone Nick