Grease a aluminum foil and set aside.Make sure khoya is at room temperature. Crumble it and measure.Add it to a pan along with sugar, rose water, cardamom powder.
begin to cook on a low flame stirring, sugar melts and makes the mixture gooey.Continue to cook stirring constantly but gently.
With in few minutes, the mixture turns to a single mass. Transfer this to the foil and spread it with the spatula. Allow it to cool completely. Cut to desired shapes with a knife or pizza cutter. cool completely and store in a airtight container. Refrigerate and use with in 3 to 4 days.
This step is optional.If your burfi doesn't set or turns sticky and you are unable to cut it well. Then add milk powder and knead the mixture. Make a square and then cut it.I did not use.