The thin crisp layers of fennel and pear are what makes this salad stand out. Arugula, a dark leafy green sometimes called rocket or rucola, is an excellent source of vitamin C and potassium.

Often sold in boxes (usually pre-washed), baby spinach is part of the amaranth family. How to use baby spinach: Toss it into salads with or without other greens. Since it’s often pre-washed, it may be ...

In addition, dark green leafy veggies are one of the best cancer-preventing foods thanks to their abundant antioxidants. The leafy greens — spinach, butter lettuce, arugula and watercress ...