For the Filling:
Preheat the cooking Oil in a pan, add the dice Onions and saute over medium heat stirring constantly it until it becomes translucent.
Add the Ground Chicken (minced Chicken) and cook it until it's no longer pink.
Add the seasoning cube, Black pepper, Chili powder and salt to taste together with the diced potatoes and Carrots and leave to cook until the vegetables become tender.
In a small bowl, combine the Flour and water and mix it together until the until the mixture is no longer lumpy.
Pour the Flour and water mixture over the Chicken pie filling and leave it to simmer for about a minute. That is it for the Nigerian Chicken Pie filling.
For the Pastry:
Combine the Butter, Margarine, and Flour together in a large Bowl and use your hands to massage the Fat into the Flour until it becomes crumbly.
Add the water, a little at a time until a slightly stiff but workable dough is formed.
Knead the Dough for about a minute or even less, the lesser the better.
cover it up with a plastic wrap and place it in the Fridge to chill for about 20 minutes
Just before you take it out from the Fridge
Preheat your oven to 350°F
Crack one large Egg inside a Bowl and set it aside
Also, either line your baking pan with parchment paper or a foil paper (the dull side facing you) and rub it with some Butter/Margarine and set aside
Let's finish up the Nigerian Chicken pie recipe
Now take Pastry Dough out from the Fridge and place it back on a floured the work surface and roll it out to your desired thickness
Trim the edges and cut out the pastry into rectangles of your desired size
Fill the pastry with the chicken pie filling, but don't overfill so that you will be able to close the Pie easily
Brush the edges of the Pie pastry with the whisked Egg, and fold the dough over to close it up and crimp the edges with a fork
Use the remaining whisked Egg to brush the surface of the Chicken Pie
Finally, use a Fork to prick the surface of the Pie (Please watch the video above if necessary)
Place the Pies inside the preheated oven and bake for 20 minutes or thereabout, till golden brown.
Enjoy your Nigerian Chicken pie with a Cup of Tea or Milk for Breakfast or as a snack.