Try this delicious cake recipe:
1. dice rhubarb and prepare into compote. Sweeten as desired.
2. prepare chocolate pudding with the milk according to instructions.
3. spread the bottom of a loaf pan with petit beurre, top with a layer of rhubarb mold, then a layer of pudding, then petit beurre again, and so on. Repeat this order until the whole is used up. 4.
Leave to cool for about 2 hours, then turn out and slice like a cake.