Cut sausage in half lengthwise, then cut into 1/4″ slices; set aside. Lightly grease a baking sheet with non-stick cooking spray. Place polenta slices on sheet and bake 20 minutes.

375 g Polish sausage or kielbasa, sliced; 1 onion, sliced; 500 g sauerkraut; ½ tsp sugar; ½ cup (125 ml) chicken stock (or water) sourdough slices, to serve; 1 red apple, julienned; black pepper ...