Preheat the oven to 180C/160C Fan/Gas 4. Using a piece of kitchen paper, grease 2 x 20cm/8in round cake tins with butter. Line the bottom of the tins with a circle of baking paper. In a large bowl ...

Preheat oven to 350°F. Lightly coat a 9-inch round cake pan with baking spray; set aside. Whisk together yogurt, eggs, granulated sugar, oil, orange zest, and vanilla extract in a large bowl ...