Marengo is a chicken stew made with wine, tomatoes, and garlic. The stew is served over toast, garnished with crayfish and fried eggs. The modern versions of this omit the eggs and substitute shrimp for the crayfish. Of course, other liberties have been taken with this recipe to include black olives, peppers, and veal. The dish is rumoured to have been named for the dish served to General Bonaparte after his army s defeat of the Austrians in the battle of Marengo.