Ingredients:

• 150g caster sugar
• 115g butter, at room temperature
• 140g plain flour
• 1 teaspoon baking powder
• 2 eggs
• 1 pinch salt
• 12 plums, pitted and halved
• 1 teaspoon ground cinnamon or to taste
• 1-2 tablespoons caster sugar, for sprinkling

Method:

• Preheat oven to 180 C / Gas 4.
• Beat sugar and butter until fluffy with electric mixer. Mix flour and baking powder and sift into creamed mixture. Beat in eggs and salt. Mix everything well.
• Pour batter into a greased 26cm round springform tin and smooth out. Top with the plums (cut side up) and sprinkle with 1-2 tablespoons sugar and cinnamon.
• Bake in preheated oven on lowest shelf for 40-50 minutes or until a skewer comes out clean. Cool to room temperature or serve warm.