Step 1

Place the apples in a slow cooker.

Step 2

Add the sugars, cinnamon, salt and vanilla to the crockpot. Mix well.

Step 3

Cook in slow cooker on low for about 10 hours, stirring every couple hours. The apple butter should be thick and dark brown.

Step 4

If desired, use a blender to puree the apple butter until smooth.

Step 5

Cover and refrigerate for up to two weeks or freeze in small containers.