Question: what is the single most nutritious vegetable?
Answer: Spinach. This leafy green tops the chart as one of the healthiest vegetables, thanks to its impressive nutrient profile. ... 
Carrots. Carrots are packed with vitamin A, providing 428% of the daily recommended value in just one cup (128 grams) (4). ... 
Broccoli. ... 
Garlic. ... 
Brussels Sprouts. ... 
Kale. ... 
Green Peas. ... 
Swiss Chard.