HOW TO MAKE IT :
1. Preheat oven to 375 degrees F.
2. Have ready a 9X13 baking dish or if you have a big Dutch oven you can use that.
3. In a large skillet, melt the butter on low heat, add the onions and cook for a few minutes over medium heat, stirring, until the onions are transparent and soft.
4. Add the jars of sauerkraut and stir into the onions.
5. Place the chopped potato pieces into a 9×13 inch baking dish.
6. Spread the sauerkraut onion mixture over the potatoes.
7. Chop the sausage into 2 inch chunks and arrange on top.
8. Cover the pan with aluminum foil and bake for one hour.
9. You can precook this meal a day ahead as it gets even tastier when it sits and refrigerate.
10. Reheat at 425 degrees F. for about 30 minutes or until heated throughout.
ENJOY!