Blanch spinach in boiling water and puree it in a mixer.

In a mixing bowl, add flour, salt, sugar, instant yeast, red chilli powder, turmeric powder, kasuri methi, garam masala, spinach puree and mix well.

Add yolk, olive oil, and mix.

Slowly add milk and make a soft dough.

Cover and keep it for it to double in size.

Punch out air and cut into six parts.

Make a smooth ball with each piece and keep it in a baking pan/tray.

Allow it to double again.

Brush with milk and sprinkle nigella seeds over it.

Bake it in a pre-heated oven at 180 deg C for 22-25 minutes until it browns on top.

Cool and serve.