Barbecue season is back —but so is the reality of whatever’s been lurking inside your grill since last summer. If you opened the lid and immediately regretted it, same. Did I let out an audible yelp when I cracked open my Coleman the first time I used it this year? I sure did. So I went straight to the source for grill-cleaning tips: a Texas barbecue pitmaster. Barrett Black , fourth-generation pitmaster at Texas’s oldest barbecue joint, The Original Black’s Barbecue , knows how to keep his grill tidy. According to him, it’s not about scrubbing harder—it’s scrubbing smarter (and more often than you think). “Cleaning should be a habit, not a chore. Something you do at the end [of your cook] so the next cook is easy,” he says. “It’s about controlling flavor. If your grill is dirty, you’re not tasting your food, you’re tasting your last mistake.” If you’re like me and tired of tasting your last mistakes, you’ve come to the right place.…