Heat oil in a kadai or pan, add cumin & mustard seeds, once they splutter, add hing, ginger & green chillies and saute them for a few seconds until fragrant.
2 tablespoons oil, 1 teaspoon cumin seeds, ½ teaspoon mustard seeds, ¼ teaspoon hing, 1 tablespoon finely chopped ginger, 2 green chillies
Add rajgira atta and saute for 2 minutes till the rawness goes.
2 tablespoons rajgira atta or besan
Add spice powders - red chilli, coriander, turmeric, salt & saute for a few seconds.
1 teaspoon red chilli powder, ½ teaspoon turmeric powder, 2 teaspoons coriander powder, ¾ teaspoon salt
Add buttermilk, keep mixing on low heat till it boil & simmer for 5-7 minutes till it blends well with the spices. Add baby potatoes & cook on low for 8-10 minutes. If needed, you may add ¼ - ½ cup water to adjust the gravy to be of a pouring consistency
500 grams baby potatoes, 1 ½ cups buttermilk, ¼ - ½ cup water
Sprinkle dry mint, coriander leaves and serve.
1 teaspoon dry mint, 2 tablespoons finely chopped coriander