Step 1 of 3
Make the filling: Mix well greek yogurt, honey and vanilla extract in a bowl.
Step 2 of 3
Soak the rice cakes: In another bowl, mix Illy instant coffee and hot water together. Soak 1 piece of rice cake in the coffee for a few seconds (until the whole rice cake turns equally brown).
Step 3 of 3
To assemble: Place the soaked rice cake at the bottom of a bowl. Spread the greek yogurt filling over the rice cake. Repeat in the same order. Dust with cocoa powder.