Directions

1. 1. Preheat the oven to 190°C/375°F gas mark 5. Grease two 18 cm/7 in sandwich tins (pans). Cut two circles the same size as the tins and place in the bases.
2. 2. Put all the ingredients except the jam in a bowl and stir briskly with a wooden spoon or use an electric whisk until smooth and fluffy. Alternatively, blend in a food processor until just mixed.
3. 3. Spoon into the prepared tins and level the surfaces.
4. 4. Bake in the oven for about 20 minutes until risen, golden and the centers spring back when lightly pressed.
5. 5. Cool slightly, then loosen the edges with a round-bladed knife, turn out on to a wire rack remove the paper and leave to cool.
6. 6. Sandwich together with jam. Dust with icing or caster sugar, if liked.