Boil rice simultaneously frying the onion

Take some golden fried onions out without making them brown

Fry some of the left onion until its crispy and brown. Keep them aside.

In the same oil, add birani masala, potatoes, chicken and the golden onions. Fry them until they are cooked. This is biryani masala.

Now line some of the Biryani masala at the bottom, then some rice then masala as well as tomatoes and finally rice and garnish with the crispy onions. Cover the frying pot so the steam doesn't escape an cook it unti 10-12 minutes.