How to cook kale

Ingredients 300 g Kale (part cubes, freezer box a 450 g) 1 bag of mashed potatoes for stew (Pack a 2 bags) 1 runderrookworst (250 g) 2 sweet and sour pickles 3 spring onions).
How to cook kale Place the Kale in a pan with a heavy bottom water. Place the potatoes on the Kale. Bring the Kale and potatoes with salt to a boil and boil them in ca. 25-30 minutes over medium high heat until tender.
Drain (but save what cooking liquid) and mash with a pestle by each other.
Add the butter and stir in as much cooking liquid by a creamy stew arises. Season with salt, pepper and a dash of vinegar.
Delicious with smoked sausage (for non-vegetarians) and piccalilli.)