For all the best options on how to replace apple sauce in a recipe, try this list. There are easy substitutions with every day ingredients for swapping out apple sauce when baking or cooking.
Add the apple chunks to a blender. Puree on medium speed and work your way up to high. You will get a mixture that may still be a bit chunky with apple juice altogether. It will not be smooth and creamy like apple sauce but is still the same ingredient in a different texture.
Use as a replacement in any recipe for apple sauce.