The phrase "apple flesh" means the soft and edible part inside an apple, which is the fleshy part of the fruit.
Sentences with «apple flesh»
Use a small spoon to scoop out enough apple flesh to make room for the porridge. (greenkitchenstories.com)
Apple flesh does not seem to be toxic to rabbits in any way, so you need not rush Thumper to the pet hospital if your kid pawns off half an apple on them. (petconsider.com)