Heat oil in a pan and saute the onions until slightly golden.
Add the ginger and garlic and continue to cook for about a minute.
Add the spices and the tomato paste.Add 2 tbsp of water if it sticks to the bottom.Add the chopped tomato.Mix well and cook until they become soft and the mixture comes together.
Add the ground chicken along with some salt,cover and cook until fully done.
If there's water in the pan take the lid off and make sure all moisture has evaporated while stirring every few minutes on a medium heat.
Add the peas and mix it well.
Check the seasonings and continue to cook for another 5-6 minutes.
The filling is ready.Let it cool down a bit before you start to fill.