crudités green healthy mangetout raw raw food snow peas sugar peas sugar snap peas vegetable yummy Asian-cuisine blanch boil Chinese-peas edible edible-pods edible-raw firm flat food greens legume low-calories macrocarpon pisum-sativum saccharatum salad-food smooth snow-pea steam stir-fries stir-fry stir-fry-food sugar-peas sweet uncooked variety versatile vitamins