CindyJ is correct. If you cook veggies in water, they lose nutrients. The longer in the water the more you lose. You will want to do any cooking quickly. I like my veggies crisp though, so I do not cook often. What I like to do is put a little oil in a pan, just enough to coat it, and get it nice and hot then add the veggies. After a few minutes I season and pull them off.