Hungarian version

Ingredients:

- 1kg to 1.25kg floury potatoes
- 6 to 8 tbsp butter
- 400 to 800g assorted chopped greens, such as kale, parsley, sorrel, spinach, and/or broccoli or cauliflower leaves
- 320ml milk
- 4 scallions, green part only, minced
- salt and pepper

Put the potatoes into a large pot and add water to come halfway up the potatoes. Cover the pot and bring to a boil over high heat. When the water begins to boil, carefully drain off about half of it, then return the pot to the heat, cover it again, reduce the heat to low, and let the potatoes steam for about 40 minutes. Turn off the heat; cover the potatoes with a clean, damp tea towel; and let sit for 5 minutes more.

Melt the butter in a large skillet over medium-high heat. Add the assorted greens and cook until just wilted, about 5 minutes.

Combine the milk, scallions, and remaining butter in a medium pot and bring to a simmer over medium heat. Cook for about 2 minutes, then add the greens and stir in well. Remove the pot from the heat, cover, and set aside.

Drain and carefully peel the potatoes, then return them to the pot. Add the greens and their liquid and mash until smooth, leaving a few small lumps in the potatoes.

Season to taste with salt and pepper.