Take a pan then add oil into it and heat it.

After that add ginger garlic paste and saute it for 1 min. After that add in chopped green chillies and saute it for another 1 min.

After that add in chopped onion and saute it till it colour changes into golden brown.

After that add in tomatoes and saute it for 3 mins. (All the ingredients should be cooked in low flame.)

When the masala is ready add in chopped potatoes, salt and cover it with a plate or a lid.

After 5 mins when the potatoes are cooked and becomes soft then add in red chilli powder, garam masala and mix well. After 2 min turn off the flame and garnish it with coriander leaves and serve it with bread or chapati.