Wash, peel, core, and chop the apples into small chunks.
Place the apples in a large saucepan with water, sugar (optional), cinnamon, lemon juice, and salt.
Bring the mixture to a gentle boil over medium heat.
Reduce heat to low, cover, and simmer for 15–20 minutes until the apples are soft and tender.
Remove the lid and cook for an additional 5 minutes to thicken the sauce slightly.
Mash the apples with a potato masher for a chunky texture or blend for a smooth applesauce.
Taste and adjust sweetness or cinnamon if needed.
Let cool before serving or store in the refrigerator.