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It's the third day of Shake Shack's tenth anniversary celebration, and the third of its burger collaborations with all-star chefs. Today Andrew Zimmern served his "Cabrito Butter Burger," a goat burger topped with roasted tomato and onion, and while the line wasn't quite yesterday's record-breaker, it's still plenty long. Daniel Humm is up next, followed by April Bloomfield, plus there's a party with "pay what you like" hot dogs tomorrow. [Twitter]
