Boil potatoes in salted water until tender. Drain. Add salt and pepper to taste and parsley if desired. Add sour cream and 4 Tbsp. of butter. Mash or whip until desired consistency.

Fry bacon over medium heat until done. 

Saute onion in bacon drippings

Drain most of bacon drippings.

Add 2 Tbsp. of butter to bacon drippings and onions.

Add cabbage to butter and onion mixture and saute for 5 minutes.

Slowly add slaw mixture to potato mixture.

Chop bacon into small bits. Add to top.

Serve warm.