Preheat the oven to 165° C.
Line the bottom of the springform pan with baking paper and grease the sides of the pan with some butter or oil.
Sift flour, potato starch, chickpea flour, baking powder and salt over a bowl. Mix the dry ingredients with a whisk for even baking results.
80 g all-purpose flour, 10 g potato starch, 10 g chickpea flour, 5 g baking powder, 1 snuf salt
Melt the butter.
30 g butter
Using a whisk or hand blender, mix the soy milk with the melted butter, sugar, vanilla sugar, olive oil, lemon zest and lemon juice.
90 g soy milk, 65 g castor sugar, 1 el olive oil, 1 tl lemon zest, 1 el lemon juice, 1 tl vanilla sugar
Pour the soy milk mixture into the flour mixture and mix with a whisk to form a smooth batter.
Pour the batter into the springform pan or cake tin, scrape the bowl well and spread the batter evenly over the bottom of the tin with a spatula or the back of a spoon. Place the batter in the oven and bake for 20 - 25 min until cooked.
Meanwhile, prepare the sugar syrup and the redcurrant juice.