Ingredients
4 cups uncooked short pasta, such as penne or fusilli
2 tablespoons butter
2 tablespoons all-purpose flour
2 1/2 cups milk
1 cup sour cream
2 tablespoons Dijon mustard
1 teaspoon garlic powder
1 (16 oz) jar sauerkraut, rinsed and well-drained
1 1/2 lbs smoked Polish sausage or kielbasa, sliced 1/2-inch thick
3 cups Swiss cheese, grated and divided
4 green onions, chopped
Kosher salt and freshly ground black pepper, to taste
Preparation
