Crock-Pot Apple Butter - cooking recipe

Ingredients

8 c. sugar
8 c. cooked apples
1 c. water (don't use water if apples are thin)
1/2 tsp. oil of cinnamon
1/2 c. vinegar

Preparation

Place ingredients in crock-pot with lid on for 5 hours.
Cook another 5 hours with lid off.
Place in sterilized jars.
Cook on high!