all you need is:
-a shot glass or a small cup.
-nuts (if your allergic then dont,or put some raisin)
-nutella or some chocolate bars melted
and your fridge.

put nuts or raisin on the botome of your shot galss and then take a take a spoon full of chocolate and then add more nuts.

put it in your fridge for like 30 or 60 minutes then poor some hot water on your shot galss soo that the chocolate would smoothly come out ENJOY :)