Colcannon #1 Also called Champ or Thump in different parts of Ireland Peel and boil 6-8 large potatoes until done. Remove the stalk from leaves of kale greens and tear or chop into very small pieces. Bring to a boil with a bit of bacon and simmer while potatoes cook. Mash the potatoes with 1/4 cup of butter and milk or cream as needed. Add salt and pepper. Drain the chopped, cooked kale. (You should have about twice as many potatoes as kale. Mix the two together with 1 tbsp. minced onion. Correct seasoning and serve with butter.