Green Apples

12 T unsalted butter, 2.5 cups chopped onion, 3 green apples, cored and chunked but not peeled,

10 T butter, divided, 1 cup of celery, chopped, 1 cup leeks, chopped (just the white parts),

1 t Spanish paprika, 1 t kosher salt, 1 t ground cumin, 1 t chile powder, ½ t cinnamon, 4