One of Baltimore's Best Burger Joint-Abbey Bistro Burger-American - Made-to-order burgers — from the meat ( beef or turkey to foie gras or veggie) to the bun, lettuce, and toppings (from onions or chili mayo to bacon or peanut butter). Our Abbey Burgers are prepared from the finest ingredients to ensure that you too will agree that we serve FEDERAL HILL'S BEST BURGER! Notable beer choices.