Place carrots and green beans in separate slowcookers. Cut 2 onions in vegetables one in each bowl. Peale potatoes and add 4 in corrots and 4 in green beans cut in chunks. Cover both slow cookers with boiling water just cover vegetables. Star slowcooker on high cook for 8 to +10 hours. When vegetables are cooked and soft drain water off place back in slowcooker and mush vegetables with butter and arromate according to taste. Turn off slowcooker when veggies are done.