I searched high and low for a recipe for crock pot apple butter two years ago, and finally found a combination of ingridients that was the winner for our family. I can't make enough or keep it in the cabinet for long! And nothing makes the house smell better than a crock pot of apples and spices simmering all day.
Fill crock pot 3/4 full of peeled/cored/sliced apples. Add ingredients and stir. Cover and cook all day. *I start it off on high and then turn temp down as it progresses...Pour into canning jars and seal.