Full Menu Delivery Available at this location on the Taco John's app and Doordash. At Taco John's, we serve traditional Mexican food-with a twist. By fusing bold American flavors with south-of-the-border spice, we've defined our signature menu. From our trademark Potato Oles and freshly prepared tacos to our breakfast burritos and made-in-house tortilla chips, you'll always find something to crush your craving. Come see why our customers become life-long fans. Visit at Taco John's Princeton today.