How to Steam Vegetables in a Steamer. Part of the series: Vegetables. Steaming vegetables in a steamer starts with washing the vegetables under cold water, filling the saucepan with water, turning it on high heat and dumping the veggies in. Discover new healthy recipes with tips from a former head chef and culinary expert in this free video how to steam vegetables using a steamer. Read more: http://www.ehow.com/video_6723516_ste...