Preparation of Potato Stuffing:

In a pan, add oil and heat it up.

Add cumin seed in medium heated oil and also add salt, red chili powder, and turmeric powder and mix well.

Now add chopped onion and green chilies and saute for few seconds on medium heat.

Add boiled potatoes. Mash it before adding in the pan.

At the same time, add boiled and mashed chickpeas in the pan.

Mix all the ingredients to blend all the ingredients.

Now garnish with fresh coriander and,

Squeeze lemon juice to make the stuffing tastier.

Preparation of Green Chutney: (Watch Video)

In a blending jar, add fresh coriander, mint, green chilies, garlic, cumin seeds, salt, red chili powder, chaat masala, sugar, black salt, lemon juice, and water.

Blend all the ingredients to make a smooth paste.

Serve with chaat or t time snacks.

Assembling:

Cut the bun into 2 parts. As described in the video. (01:21)

In a skillet, add oil and toast all the bun from both sides.

Now place a rich amount of green chutney on one side of the bun.

In the same way, add potato stuffing over the chutney.

Place fresh onion rings over potato.

Now cover with another bun.

In a bowl, beat the egg with salt and pour it over bun kabab and slide it with a spoon.

Toast bun kabab properly from all sides to cook the egg and place the remaining egg in between potato stuffing.

Now bun kabab is ready to serve.