Combine all of the ingredients in a medium saucepan.
Bring to a simmer. Simmer for 8-10 minutes, or until the apples are softened, mashing periodically.
Remove the lemon rind and cinnamon sticks.
Let cool before serving.
Notes
Use Whole Cinnamon Sticks: Cinnamon sticks provide better flavor than ground cinnamon for this recipe, as they infuse the sauce without making it grainy.Batch Size: This recipe yields approximately 3-4 cups of sauce, making it perfect for feeding a crowd or having leftovers for the week.Great for Gift-Giving: Store cooled sauce in mason jars for easy gift-giving during the holiday season, or package in small containers for a thoughtful homemade present.Storage: Keep refrigerated in airtight jars for up to a week or freeze for up to three months.