Weekend traffic has a purpose in Driftwood, and it often ends at a picnic table.
The Salt Lick BBQ is a Hill Country touchstone, the kind of place people build a day around even if they keep the order basic. Stick to Texas BBQ staples like ribs and brisket, then let the sides do their job while you settle in.
If you can swing a weekday, the pace is calmer. For a big group, order family style and plan on lingering, since the setting is part of what draws people back.