This is SO Easy...and SO Yummy. If your apples are sweet you can cut down the sugar. Beware, this is hard to stop eating.
Slow Cooked Cinnamon Applesauce
3 1/2 lb granny smith apples, peeled, cored, & sliced
1/3 c. brown sugar
1 1/2 tbs lemon juice
1/2 tsp cinnamon
Put in 3 1/2 qt. cooker, tossing together. Cover and cook on High 2 1/2 to 3 hrs. until tender. Mash w/ potato masher.