Mix flour, salt, milk powder, nigella seeds in a big bowl

Dissolve the yeast in 1/2 cup water and add to the flour mix

Add the oil and the rest of the water and mix it with your hands very throughly for 8 minutes till it become soft and little sticky.

Make it as a ball, cover it and leave it in a warm place for 30 minutes.

Meanwhile, fry onions in a fry pan till it becomes gold.

Add tuna, salt, pepper, chicken stocks and leeks. Stir for a few minutes and turn fire off and leave it.

Mix the sesame paste, lime juice, salt and stir till it becomes white thick mix. Add most of it to the tuna mix and leave some for the dip.

Add some oil and flour to the oven dish to prevent the dough from sticking

Extend the dough on the dish till it reaches the edges and more. Put the tuna mix in the middle and fold the edges towards the center.

Put inside the oven over heat of 230° for 35 minutes or until you make sure the bread is done and a golden color appears on surface. Serve it warm with the Sesame Dip.