Take chocolate in a bowl proper for microwave and melt it keeping it in microwave for 30 seconds
Now take it out and add condensed milk and again microwave for 10 to 15 seconds
Now take out and add butter, cardamom powder, half pistachio now mix it well
Now take a 4 inch tin and grease it with butter now put butter paper on it and now pour the batter on it and now set it in the fridge for 5 to 10 minutes
Now spread Boondi on it and now again pour the remaining amount of chocolate and garnish with pista and keep it in fridge for 2 hours
Now take it out and make square pieces of it and serve it
