This is such an amazing still life. Thank you for sharing it with us. I agree with Impure Soul - it made me think of an alien planet, yet at the same time it is so familiar I can almost feel the papery external texture of the onion and the sharp crispness of the inside layers.
Quite a strong study. You make it feel like a Dali surrealist painting with that background, and the onions seem more like bizarre landmarks instead of everyday pieces of food. The reds and pinks really pop against their washed out, pale surroundings.