1 stick butter
1 chopped onion
1/2 box brown sugar
1 tbsp. Worcestershire sauce
1 reg. bottle catsup
1/4 c. cider vinegar
1 tsp. dry mustard
2 drops Tabasco sauce

Brown chopped onion in butter, add rest of butter to pan or crock pot. (We used the crock pot.) Add catsup, vinegar, sugar, mustard, sauce and Tabasco sauce. Cook on high for 40 minutes. Add sliced kielbasa and cook about 1 hour.