Firstly, add cashews, pistachios, almonds, saffron strings and bread slices.
Grind it coarse.
Now, in a thick bottom deep pan, take 3 cups of milk.
Initially, keep it at full till it comes to a boil.
After boiling, reduce the flame to medium. Cook for 9-10 minutes. Keep stirring so that it cannot stick to the bottom.
Add bread mixture. And, set the flame to low.
Cook it till it gets little thick. Keep stirring.
Set the flame to medium and cook it for another 5 minutes.
Rabri is ready to serve. Garnish it with chopped cashews, almonds, pistachios and rose petals(Optional).