Mary Berry’s Apple Upside-Down Cake is a simple yet elegant dessert featuring caramelized apple slices arranged at the bottom of the cake pan, topped with a light, fluffy sponge. Once baked and inverted, the caramelized apples create a beautiful, glossy topping that makes this cake as visually appealing as it is delicious.
Preheat your oven to 180°C (350°F). Pour the melted butter into the bottom of a 9-inch round cake pan, swirling to coat evenly. Sprinkle the brown sugar over the melted butter to create an even layer. Arrange the apple slices in a circular pattern over the brown sugar layer.
In a mixing bowl, cream the softened butter and caster sugar together using an electric mixer or whisk until light and fluffy, about 2-3 minutes. Add the eggs one at a time, mixing well after each addition, then add the vanilla extract.
Sift the self-raising flour into the wet ingredients, folding gently until just combined. Pour in the milk and mix just until the batter is smooth and well-blended, being careful not to overmix.
Carefully pour the batter over the arranged apples and spread it evenly with a spatula to cover the apples completely.
Place the cake pan in the preheated oven and bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean. The cake should be golden brown, and the edges should pull away slightly from the pan.
Allow the cake to cool in the pan for about 10 minutes. Run a knife around the edges to loosen, then carefully invert the cake onto a serving plate. Let it cool slightly before serving.