in a lrg pot, place your cabbage, potatoes, turnips. cover them with water to a 1/2 inch above the vegtables. add your butter, salt and peper and garlic.
cook to boiling then turn down to a simmer. cook till vegtables are tender about 45 min to simmer. when vegtables are tender add your half and half and simmer 10 min more serve hot with crackers of choice