3 unwaxed lemons, zest finely grated from 2, juice from 3
200g/7oz plain flour
2 tsp baking powder
½ tsp bicarbonate of soda
175g/6oz caster sugar
50²µ/1¾´Ç³ú ground almonds
4 tbsp granulated sugar
150ml/5fl oz soya milk
150g/5½oz dairy-free margarine, plus extra for greasing