Toffee Cake

• 280 g unsalted butter, really soft, diced, plus more for the tins
• 280 g self-raising flour
• 1½

Preheat the oven to 180°C/fan 170°C/350°C/gas mark 4. Butter two 20cm and one 15cm round sandwich tins and line the bases with baking parchment. I use an electric mixer with the beater attachment. Sift the flour and baking powder into a bowl, add the butter, eggs, sugars