Beans will retain more nutrients if cooked uncut. Steam or simmer in boiling water for 5-10 minutes. Watch carefully for beans to brighten in color and become tender, not soft or mushy. Refrigerate beans in a plastic bag. Beans will maintain integrity quite well for one week to ten days. Beans are easily frozen for long term storage. Blanch in boiling water for two minutes, rinse in cold water to stop cooking process, drain and pack into an airtight container such as a zip-lock bag.