Add apples in a large saucepan and cook slowly until they disintegrate. This will take depending 20-40 minutes. If need add a litte bit water or apple juice. Stir. Now we have apple mash and turn off heat.
Cool slightly and scoop into high-speed blender. This step results in super smooth apple butter. Make sure lid is secured tightly. Blend it.
Pour the sauce back into the saucepan and cook for another 30 minutes until it’s as thick as you desire. Keep in mind, it will still less thick after cool down. If you like add cinnamon and coconut sugar to taste.