Peel and dice potatoes and onion.
Clean, trim and slice kale.
n a large pot, add the potatoes, onion, kale, a bay leaf, a pinch of salt and just enough water to cover the ingredients.
Cover and boil gently over medium heat for about 25 minutes.
Meanwhile steam or grill the smoked sausage until done, then slice into bite size pieces.
When tender, remove the bay leaf, drain the vegetables, and mash them with a potato masher.
Add milk and the knob of butter.
Add in sliced smoked sausage.
Add salt and black pepper to taste and serve.