Cooks.com - Recipe - Crock Pot Apple Butter:
"CROCK POT APPLE BUTTER
10 c. cooked (don't add water), blended Jonathan apples (approx. 1/4 bushel)
5 c. sugar
1/2 tsp. cloves
1 tsp. cinnamon
Mix all of the above and cook in crock pot on low for 10-12 hours. (Cook overnight and wake up to a wonderful smell!) Then uncover and cook an additional 2-4 hours on high until apple butter is thick. Pour into hot canning jars leaving 1/4 inch head space and seal or pour into jar and simply refrigerate. Yields about 4 1/2 pints"
Im trying this.