Amchoor Chana

2 tbsp oil
1 tsp cumin seeds
2 black, green, or white cardamom pods
1 or 2 cinnamon sticks
1 cup canned crushed tomatoes
2 tbsp amchoor/mango powder or lime juice
1 tbsp coriander, ground
1 tsp ground cumin
1 tsp salt
1/2 tsp cayenne
1/4 tsp turmeric
3 cups cooked chickpeas
4 tbsp cilantro
1/4 cup finely chopped red onion

Heat oil, add cumin seeds, cardamom, and cinnamon, cook until aromatic, 10-15 seconds. Add tomatoes, mango powder, coriander, ground cumin, salt, cayenne, turmeric. Simmer 5-10 minutes. Add chickpeas, 1 cup water, 2 tbsp cilantro. Simmer 20-25 minutes. Add onion and 2 tbsp cilantro, serve.

Source: 660 Curries by Raghavan Iyer