Sattu Parantha is best eaten with Aloo Choka.
To quote Wiki:
Sattu, powdered baked gram, is a high energy giving food. It is taken mixed with water or with milk. Sometimes, sattu mixed with spices are used to prepare stuffed 'chapattis', locally called as 'makuni roti' Litti/Choka, a fast food item that can be prepared with minimum of utensils by people who away on tour. It is prepared with Sattu and Wheat flour and taken with mashed potato and brinjals.
The filling is usually Sattu flour mixed with masala. The Masala is chatakdaar, made of:
Onion can give it a sweetish flavour.