If I may overgeneralize, Panera and Corner Bakery are the fast-casual chain sandwich purveyors equivalent of Coke and Pepsi. Today, we measure the merits of one random item, bought at both: the 1/2 sandwich and soup combo. The sandwich will be the common denominator of tuna salad, and the soup will be whatever variant of cream of tomato they have on offer.
Overall winner for this week's challenge: Corner Bakery.
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