Pile on the colorful veggies! Tomatoes, carrots, broccoli, bell peppers, zucchini and cabbage are all great toppings that deliver good-for-you antioxidants (thanks to their richly colored pigments) for very few calories. One vegetable to maybe put a cap on is corn: 1/2 cup has 88 calories (the same amount of broccoli has only 16). Don’t keep it off your salad plate altogether, though—this summertime favorite still has a substantial amount of fiber, folate and vitamin C.