Crock Pot Apple Butter

Grrrrrgh!
Course : Fruits
From: HungryMonster.com
Serves: 4
 

Ingredients:

10 cups apples
5 cups sugar
2 tablespoons cider vinegar
2 drops cinnamon oil (optional)
5 ounces red hots
 

Preparation:

Cook and mash apples. Add sugar and cook until dissolved. Pour into crock pot. (Add a cup of water if needed.) Cook for 4 hours, stirring often. Add red hots. Cook 1 hour longer. Add oil of cinnamon just before putting into jars. If applebutter is too thin, cook another hour.