Ingredients: – 20 g unsalted butter – 100 g plain flour (all-purpose) – 1 ½ tablespoon cocoa powder – 1 tablespoon brown sugar – 1 pinch salt – ½ teaspoon vanilla extract – 2 large free-range eggs – 250 ml semi-skimmed milk – 3 tablespoon rapeseed oil

Ingredients: – 20 g unsalted butter – 100 g plain flour (all-purpose) – 1 ½ tablespoon cocoa powder – 1 tablespoon brown sugar – 1 pinch salt – ½ teaspoon vanilla extract – 2 large free-range eggs – 250 ml semi-skimmed milk – 3 tablespoon rapeseed oil