Roasted Eggplant and Bell Pepper Soup with cumin

1 lb eggplant , cut into large chunks (preferably small lighter-skinned varieties) 2 red bell peppers , cut into large chunks 1 large onion , cut into large[...]

2 eggplants , cut into 3/4 inch thick slices (2 1/2 lbs.) 2 large green bell peppers , cut into 1/2 inch wide strips 2 large red bell peppers , cut into 1/2[...]