It’s always a bit of a nightmare when you cake sticks to the tin. The solution is to use greaseproof paper – but it can be difficult to cut out a piece that actually fits. If it’s too big, it can stop ...
Preheat the oven to 180C (160C fan). Grease and line a 20cm square cake tin with baking paper. Place the butter and both sugars in the large bowl of a stand mixer fitted with the paddle attachment.