Apples and Pineapple Crockpot Dessert

12 baking apples, peeled, cored and chopped
6 T brown sugar
3 tsp. cinnamon
1 can of crushed pineapple, undrained
3/4 c water
Add all ingredients to a 7 quart crockpot. Cover and cook on low for 8 hours or until the apples are cooked to the desired consistency. serve with roasted walnuts on top.