Firstly cut the brinjal lengthwise or the way you like.
If the length of each slice is too much, you can cut into halves.
Put the brinjal into water to prevent them from turning black.
Also peel and cut the potatoes into the same length in which brinjal were cut.
Put the potatoes as well in water to prevent them from turning dark. Keep aside.
Heat 4-5 tbsp of mustard oil in a pan.
Add potatoes.
Shallow fry them till they attain the begin to turn brown.
Bring them out.
Likewise shallow fry brinjal for 2-3 minutes.
Take the brinjals out and keep aside.
Add 1 tsp cumin seeds in oil.
Also add 2 green chilies and 1 tbsp ginger garlic paste. Saute for couple of seconds.
Add 2 chopped onions.
Saute till onion turns slightly brown.
Add 3 chopped tomatoes and salt to taste. Salt helps tomatoes to cook faster. Mix
Put a lid and let the tomatoes cook on low heat.
Cook tomatoes until they releases oil and begin to leave the sides of the pan.
Add 1 tbsp coriander powder, red chilli powder to taste and 1/4 tsp turmeric powder. Mix.
Add shallow fried potatoes and brinjal.
Give them a good mix and add 1/2 cup water.
Put a lid and cook on low heat for 10 minutes or until potatoes turn soft enough to eat.
Lastly add 1 tsp of garam masala and mix.
Aloo Baingan ki sabzi is ready. Serve hot after garnishing with fresh coriander leaves.