Cook the stalks for about 5 minutes. Steam: Steam the leaves in steaming pan or pan with vented lid for 2-3 minutes and the stalks for about 5 mintues. Wrap unwashed bok choy in a loose plastic bag ...
Drain and reserve 1 cup pasta cooking water. Heat a large skillet over medium-high heat. Add olive oil, garlic and bok choy, and sauté until greens wilt and release their liquid, 4–5 minutes.