Want to know what real Mexican cooking tastes like? Pull into this Howard County Shell station. Skeptical? Catch a whiff of the smells coming off the grill at Rodrigo Albarran-Torres’s stools-only operation. You might think you’ve wandered into a mercado in Mexico City, given the depth and punch of the tacos (try them stuffed with carnitas) chilaquiles, posole, and huaraches that make up the surprising, ever-changing menu.