Barbecue-braising is a novel way to have pot roast in the summer while you take the heat out of the kitchen: foil-wrapped pot roast simmers in its own juices while it cooks. Serve with the sauce you make from the marinade, baked potatoes, fresh corn on the cob and garden-fresh salads for a super relaxed summer dinner that you get to sit and enjoy rather than tending the grill.