Having eaten at Frontera Grill twice, I was thrilled to stumble across Tortas Frontera while changing planes at O'Hare. Wonderfully flavorful sandwich, too bad I could only try one! I used to look for Chicago style dogs when connecting through Chicago, but from now on it's going to be this place. Note: The sandwiches take 10-15 minutes to make, they give you a buzzer so you can walk around.
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