1: Fry the potatoes until crispy, or alternatively, bake or boil them as per preference.
2: Chop the onions.
3: In a bowl, combine the fried potatoes, onions, green spicy chutney, tamarind sweet chutney, red chilli powder, cumin powder, and chaat masala.
4: Optionally, add some yogurt to the mixture.
5: Mix all the ingredients well and enjoy the delicious Aloo Chaat.