Panera — which owns and franchises roughly 1,600 locations under the Panera Bread, Saint Louis Bread and Paradise Bakery & Café brands — is the prototypical restaurant growth stock. Shares have tripled in the past three years (including 45% gains in the past year), putting it solidly among other momentum-fueled restaurant stocks like Chipotle Mexican Grill (NYSE: CMG ) and Buffalo Wild Wings (NASDAQ: BWLD ).