• Prepare drained pasta (refer to the related video).
• Prepare pasta sauce (refer to the related video).
• Wash, skin, and slice potato into 1cm thick pieces.
• In a pot add oil and liquid saffron.
• Arrange potato slices in the pot to cover the bottom of the pot.
• Arrange pasta on top and now add your pasta sauce. Do it layer by layer.
• Cover the pot to allow it to steam up.
• Now cover the lid with a kitchen towel, place on pot and let cook for 30 minutes on a low heat.
• Then put a plate on top of the pot and turn over with the pot to fill plate.
• Serve as you like.
• Enjoy (nooshe jan). 

If you want to get a good crispy rice and potato (tadeeg) you must cook the pasta longer (around 1 hour), but use a low heat.