150驳/5陆辞锄 blueberries
2 lemons, zest and juice
1 lemon juice, juice only
275ml/9陆fl oz coconut milk
250g/9oz coconut milk yoghurt
225g/8oz plain flour
1陆 tsp baking powder
陆 tsp bicarbonate of soda
150驳/5陆辞锄 caster sugar
1 tbsp caster sugar
2陆 tsp icing sugar
录 tsp fine sea salt
1 tsp vanilla extract
150ml/5fl oz vegetable oil, plus extra for greasing