Chuck roast is wrapped in foil with Mexican-style seasonings, and cooked at low temperature until it is tender and shreds easily. This is served in flour tortillas. Leftovers freeze well. Posted on August 20, 2021August 20, 2021 by Caitlin Acosta Chuck roast is wrapped in foil with Mexican-style seasonings, and cooked at low temperature until it is tender and shreds easily. This is served in flour tortillas. Leftovers freeze well. Advertisement