“Cookin’ with Congress” reveals the favorite meals of politicians from all eras (prune souffle, anyone?)

This traditional Thanksgiving dinner is surely more delicious than what President John Adams ate in a typical day. Photo: Jennifer Sandlin.

If you like politics, and history, and food, you’re gonna love “Cookin’ with Congress,” a show that sits at the intersection of all three and whose description cleverly declares: “Politics is COOKED.” Los Angeles-bas…