Pitmaster Carlos Sanz Velasco dons a black trucker hat decorated with the outline of a steer. Indifferent to the rain, he calmly sips coffee from a thermos as he overlooks the picnic tables on his ample restaurant patio, the coals burning behind us while the smoker, named Charlotte, finishes up a few racks of pork ribs. I could be anywhere in my home state of Texas right now, but I’m in Cercedilla, a hillside village about 35 miles northwest of Madrid, Spain. Sanz is one of a handful of folks making Texas-style barbecue in Spain, where I’ve lived for the past seven years. Sanz fell for barbecue in 2013, when he visited New York City and dined at Dinosaur Bar-B-Que in Harlem. It reminded him of…