Broccoli

Broccoli, which has more protein than most other vegetables, is also high in fiber, vitamin C, vitamin K, iron, and potassium.

Broccoli is a cruciferous vegetable related to cabbage, kale, cauliflower, and Brussels sprouts. Broccoli may be eaten raw, but recent research suggests that gentle steaming is best for maximum health benefits. Steaming also eliminates the risk of contaminaton. Broccoli is low in calories and high in fiber, protein and Vitamin C. It also contains numerous other vitamins and minerals in smaller amounts. In fact, it provides a little bit of almost every nutrient you need.

1 cup (91 g) raw broccoli provides

calories 31
carbohydrates6g
calcium10mg
copper10%DV
fat0.4g
fiber2.4g
protein2.5g
vitamin C140%DV
SOURCE: HEALTHLINE