Oh, Anna’s—it’s almost unfair. Once again, their Mission-style missiles reign supreme. Rigorous cross-sectional analysis confirms their composition’s supremacy: a blissful equilibrium of rice, beans and brawn, like saucy carnitas or spicy slow-cooked chicken. Bounding all that goodness is a steamed, stretchy tortilla, rolled into a taut torpedo and snugly sheathed in foil. This savvy structure ensures that fillings stay put, so every morsel lands right in the tank instead of your shirt.