11.   It turns dandelion flower petals into a kind of vegetarian burger flavored with onions.

12.   We build our menu so that it offers something for everyone, including low-fat items like vegetarian burgers.

13.   When you start to hear ads on the radio for vegetarian burgers, you know the worm has turned.

14.   Worthington Foods specializes in manufacturing and marketing products like vegetarian burgers and meatless sausage, chicken and hot dog products.