Boil Sauerkraut: Place the drained sauerkraut in a pot with 2 cups of water, bay leaves, and allspice berries. Cover and cook for about 25 minutes until tender. Drain and chop finely.
Sauté Onions and Mushrooms: Heat the oil in a large skillet over medium heat. Add the chopped onions and sliced mushrooms, cooking for 20-25 minutes until softened.
Add Sausage: Stir in the sliced sausage and cook for an additional 10 minutes.
Mix Ingredients: Add the cooked sauerkraut to the skillet with the onions, mushrooms, and sausage. Stir well to combine and cook for 5 more minutes.
Cook the Pasta: While the filling cooks, prepare the Łazanki pasta according to the package instructions. Drain and set aside.
Combine Pasta and Filling: Mix the cooked pasta into the skillet with the sauerkraut mixture. Season with salt, pepper, and caraway seeds. Stir to combine and adjust seasoning as needed.
