I know that I should start the morning with something healthy, but my sweet tooth runs my life 24/7, so this pastry is one that is totally acceptable (in my mind) to eat for breakfast!
Preheat the oven to 200°C and line the tin. Whisk the butter, milk, vinegar, egg, vanilla paste and extract together until well combined. Whisk in the icing sugar, flour and cornflour until smooth. Pour 160g of the batter into the tin and