Dutch Mettwurst with Kale

(Makes 6 servings)
6 large russet potatoes
398 ml cooked kale (or spinach)
1 ring Dutch Mettwurst
Peel and boil potatoes. Mash. Add kale to potatoes and mix.

Place in 4 quart (4 1/2 litres) casserole dish. Slice Mettwurst in 1/2 inch (1-centimetre) slices. Place on top of potatoes. Cover casserole and bake at 300 F for 30 minutes.