1Saute onions in oil plus 2 tablespoons of the butter over low heat until lightly browned 3 to 4 minutes
2Add Frank's Kraut to onions, mixing well.
3Boil noodles according to package directions but cook only for 5 minutes.
4Drain then add remaining 4 tablespoons butter to noodles.
5Add noodles to Frank's Kraut mixture, stirring to mix well.
6Spoon into 2 or 3 quart casserole or dish. Cover and refrigerate overnight.
7When ready to bake, remove from refrigerator and bring to room temperature for 30 minutes
8Preheat oven to 350 degrees.
9Dot casserole with butter.