Add cauliflower and chickpeas to a large bowl, along with eggplant if using. Add oil, curry powder, and ½ teaspoon salt in a large bowl, and toss to coat. Spread evenly on the prepared baking sheet.
The bakery, the snack aisle, and the food court are essential stops—but a zone too many people sleep on is the freezer aisle. We get it: we don't always have extra space to spare in our freezers.