Kefir cake with forest fruits

Preheat the oven to 180 °C and line a small baking dish (approx. 15 cm × 15 cm) with baking paper.

In a medium bowl, mix the flour, baking powder, cardamom, and a pinch of salt. Add the kefir, egg white, rapeseed oil, finely grated lemon zest, 2 tablespoons of water, and vanilla extract, then thoroughly combine the batter.

Pour the mixture into the prepared dish and bake at 170–180 °C for approximately 30–35 minutes.