Tuesday, September 16th, is Mexican Independence Day. Celebrate at On the Border with a free cup of the restaurant’s signature Original Queso, featuring fresh-chopped jalapeno, tomato, onion, poblano & cilantro, normally up to a $4.99 value. Guests may choose to add seasoned ground beef for only a buck. In addition to free Queso, OTB will feature $3 House Margaritas and $3 Lunazul shots on September 16. Find the closest On the Border.