Dish of the Week: Brit cuisine This week the Washington Post seems to be playing up a Brit angle, with a review of CommonWealth and a piece about toffee made with treacle. And fantastically so, as Guy Fawkes Day/Bonfire Night is coming up on November 5. If you remember your European history, you’ll know that Guy Fawkes was the fellow who attempted to bomb the Houses of Parliament. In celebration of his capture, the Brits…