1. Heat the oven to 180C/Gas mark 4. Lightly oil the muffin tin moulds. Cut the berries in half.
2. Sift the flour and baking powder into the sugar. In a separate bowl, whisk the milk, egg and oil together until smooth.
3. Make a well in the centre of the flour mixture, and quickly, lightly, beat in the liquid mixture. Fold in the berries and spoon the batter into the muffin moulds.
4. Bake for 25 minutes or until risen and golden, and cool on a wire rack. Serve while still warm, or eat the same day.