In a microwave safe bowl covered with vented plastic wrap, heat for 10 minutes:
8 peeled, cored, and chopped apples
1/4 cup water
1/2 tsp cinnamon
2-3 Tbsp sugar (optional)
Stir after 10 minutes, then return to continue cooking for another 5 or 6 minutes. Mash soft apples with a potato masher. Cool and serve.