To make the pastry dough, in a bowl add the flour baking powder and salt egg and enough water to make a firm dough.
knead until smooth and soft not sticky.
Cover the dough in a bowl and let it rest for 20 minutes.
knead and divide the dough in to 16 pieces.
Flour paste as a glue
In a small bowl, mix 1/4 cup flour and 1/4 cup water to make a smooth paste.
Assembly
Roll one of the dough into 5 inch circle
Pick one the Sambusa wrappers with your hands and fold it into a cone shape seal it with flour paste.
Place a spoonful of the filling in the middle brush the edges with a flour paste or water and shape it into a cone,
close the top with the paste if needed and shape like a triangle.
Pinch the edges so that it is completely sealed.
Continue filling the rest of the Sambusas.
Brush with the egg-wash on the top.
Bake 350f/180c for 25 minutes or until golden .
It is best served while warm.