This is a common side dish for poori/puri . Very simple, easy and quick. Here goes the recipe...
Potatoes (boiled,mashed) - 3 nos
Onions -3 nos
Garlic paste (optional) - 1/4 tsp
Green chillies - 2 nos
Turmeric powder - 1/4 tsp
Salt for taste
Oil - 2 tbsp
Water for cooking
For the seasoning:
Mustard seeds - 1/4 tsp
Urad dal - 1 tsp
Bengal gram dal - 1 tbsp
Heat oil in a wok, do the seasoning. Now add finely sliced onions,garlic paste and stir fry for 2 min. Add turmeric powder and stir for a min. Add mashed potatoes (roughly mashed), green chillies (slit lengthwise), salt for taste, water for cooking and cook till the required consistency is obtained. Garnish with coriander leaves and serve.
Some prefer to mix 1tsp gram flour with little water and add to the recipe instead of plain water.