I’ve not heard of Blacks and I believe Salt Lick is only in Austin? Not certain as I’m not one to eat out a bunch, but I do love the Salt Lick peach cobbler recipe! Yum!
http://www.grouprecipes.com/62558/salt-lick-restaurant-peach-cobbler.html
Black’s in Lockhart. It’s really good.
They have others in other cities, eg Austin.
https://www.texasmonthly.com/list/the-50-best-bbq-joints-in-the-world/blacks-barbecue/