Mix the mascarpone, cream and sugar in a bowl and set aside.

Make the instant coffee in the boiled water, and set aside.

Cover the bottom of the (large) bowl/plate with 1/3 of the ladyfingers.

Drizzle the ladyfingers with 1/3 of coffee andp put 1/3 of the mascarpone mixture on it.

Add the layers like this again, and again and end it with mascarpone.

Sprinkle chocolate shavings or cocoa on it, and put the tiramisu for 15 minutes (or longer) in the fridge before serving.