Parboil the cabbage leaves for 2-3 minutes
Dry the cabbage leaves
Boil the potatoes
Chop one whole spring onion
Drain the potatoes and let them dry for a couple minutes
Melt butter with the chopped spring onions
Chop up some of the inner cabbage leaves and add them to the butter and onions
Add heavy cream and mash the potatoes
Season with salt and pepper
Add an egg yolk to the mashed potatoes
Rub the inside of a baking dish lightly with avocado oil
Layer the cabbage leaves in the baking dish, overlapping them
Fill the center with the mashed potato mixture
Bake at 375°F for 40 minutes
Let sit for 5 minutes before slicing and serving
