This is a meatless main course but can also be served as a vegetable dish along with meat.
1 pound potatoes
1 pound green cabbage, spring cabbage or kale
1 medium onion, finely chopped, or 2 leeks, finely chopped (just the white part)
3 ounces butter
Single cream (light table cream)
Salt
Black pepper
2 ounces sharp Cheddar cheese, shredded
Chopped fresh chives (optional)
Find it online: https://simplygreatrecipes.com/rumbledethumps/