In a bowl, toss the chickpeas with olive oil, spinach powder, garlic granules, onion granules, and salt.
Spread the chickpeas in a single layer on a baking sheet.
Roast for 25-30 minutes, shaking the pan or stirring the beans about every ten minutes, until the chickpeas are crispy and evenly roasted. Add any extra salt if needed, and serve..
Notes
Please note that the nutrition data given here is a ballpark figure. Exact data is not possible.