Yule log with berries and light vanilla cream

1Preheat the oven to 200°C. In a bowl, mix the brown sugar and egg yolks until the mixture whitens 2Gradually add the baking soda, flour and milk. 3Beat the egg whites with a pinch of salt until stiff and fold into the previous mixture. 4Pour the mixture onto a baking sheet lined with parchment paper. Place in a hot oven for 10 minutes. 5Once cooked, turn out onto a clean, damp cloth. Roll up and let cool. 6When the log is cool, roll it out and top with a layer of yogurt followed by a layer of homemade fruit jam. 7Roll up the cake on the width by squeezing it. 8Refrigerate for 1 hour. 9Prepare the icing.

10Mix cream, maple syrup and vanilla with an electric mixer on high speed until smooth and creamy. Gently fold in yogurt. 11Cover the entire surface of the cooled sponge cake. 12Cover the entire surface of the cooled sponge cake. 13Refrigerate at least 2 hours before serving.