Directions

Whisk the margarine with the erythritol, vanilla extract and salt until light and creamy. Mix the cocoa powder, hazelnuts, 160 g flour and baking powder and knead into the margarine. Knead in the pistachios. Chill the crumble mixture for 30 minutes.

Peel 3 bananas. Puree 2 of them with protein powder, 20 g flour, citric acid and lemon juice. Dice the last banana and fold in. Place the muffin cases in a muffin tin. Fill in layers of crumble and banana mixture.

Bake in a preheated oven at 180 °C top/bottom heat for approx. 20-25 minutes. Leave to cool.