Soak dried white chickpeas or kabuli chana in water for 6-8 hours
Drain well and pressure cook until done.
If you are using canned chickpeas, skip the above steps.
Drain and rinse the cooked chickpeas very well.
Spread on a clean cloth and fan dry for 30-40 minutes (important!)
Preheat oven at 180 C / 350 F.
Grease a large baking sheet with oil.
Combine dried chickpeas, salt, chili powder and 2 teaspoons oil in a bowl. Toss well.
Spread as single layer on the greased baking tray.
Bake in the preheated oven for 35-45 minutes.
Once done let cool thoroughly. Store roasted chickpeas in airtight container and serve as required.