Preheat oven to 450°F (230°C). Thinly slice one medium sweet potato. On a baking sheet, roast chickpeas with Trader Joe's onion salt for 15 minutes. On the same or a separate baking sheet, roast the thinly sliced sweet potato with a little avocado oil for 15 minutes. While roasting, combine half an avocado with Trader Joe's African smoke seasoning. Once roasted, combine the chickpeas and sweet potato with fresh tomatoes and jalapeños, and top with the seasoned avocado.