place potatoes in a large pot with salt and cover with water. place on high heat to boil and cover
chop cabbage up finely in long strips place in large frying pan, chop up onion add to pan, chop up bell pepper finely and add to pan, fry in half cup of butter, cover and cook for about 6 mins until soft add in garlic at the end.
when potaoes are cooked (about 20 mins) and soft to poke with a fork, drain water and save it. mash potatoes in pot with the rest of the butter, add in the dill and drained can of chopped tomatoes. add the water back and slowly bring the heat back on, add the cream inches
mix in the cabbage and onions and peppers,.
add in the chopped green onions.
finish with black pepper and bring to a boil and simmer for about 8 mins stirring occasionally.