3 unwaxed lemons, zest finely grated from 2, juice from 3
200g/7oz plain flour
2 tsp baking powder
陆 tsp bicarbonate of soda
175g/6oz caster sugar
50驳/1戮辞锄 ground almonds
4 tbsp granulated sugar
150ml/5fl oz soya milk
150g/5陆oz dairy-free margarine, plus extra for greasing