Looking for Phoenix's perennial best Mexican breakfast, lunch, dinner, or late-night dining? La Frontera #1's menu is full of simple, traditional Mexican fare including burritos, quesadillas, tostadas, vampiros, burgers, nachos, hot dogs, botanas, shrimp cocktails, and more. Our al pastor is among the best you will find anywhere in the Valley, and packed into a burrito or street tacos, is among the best street foods in town. La Frontera food trucks now accept credit cards and called-in takeout orders.