I was sure about only one thing... i'll never will make art inspired in the "hampart" of Yoko Ono... but well, my life is a circle of contradictions and here i'm, making this for the contest.
This was made how all my pixels, using MS Paint.
Original Apple: www.vistazo.com/sites/default/files/2015/05/13/063_473060168.jpg
Nice colors and dithering. Although it's a good representation of an apple in general, I think your reference is on the taller side of apples while yours isn't and therefore isn't as recognizable as it could be.