First make the filling, heat oil in a pan, crackle fennel seeds. add in onions and saute it on medium heat till it is wilted and cooked, it will take around 8 mins.

Add in green chillies and ginger garlic paste and cook for a min.

Add in chicken. Now saute this whole thing together for a good 5 mins till the chicken is done.

Now add in salt, chilli and garam masala powder and mix well.

Now add in tomato ketchup and mix well. Cook till it thickens.Now set aside to cool down.

Meanwhile preheat your oven to 220 degree C. Line a baking pan with foil or parchment paper and set aside.

Now take your puff pastry sheets and cut into 4 to 6 equal square portions.

Now spoon generous amount of filling on the middle of the pastry, fold over and use a fork to seal the edges.Brush with egg wash or milk or cream.

Now pop it into the preheated oven and bake for 20 to 25 mins, till the top is golden brown.

Remove it from oven and cool down for 5 mins. Now remove this to a plate and serve.