Ah, the tomato, so well-loved by foodies everywhere! The French used to call it la pomme d'amour, "the love apple." today, cooks around the world work their magic with it. There are more than 4,000 types of tomatoes and no doubt even more ways to eat them. Without the tomato, we would have no Mexican salsa or Italian pizza. Many wonderful Indian dishes would not be the same. After the potato, it is the most popular vegetable in the world. But wait-is it a vegetable?