180g/6oz blueberries
1 unwaxed lemon, finely grated zest and juice
coconut cream from the top of a tin of full-fat coconut milk (see tip)
jam or marmalade of your choice
1 tsp baking powder
light olive oil, for brushing
pinch of salt
300驳/10陆辞锄 self-raising flour, plus extra for dusting
1 tbsp granulated sugar
100ml/3陆fl oz soya milk
100g/3陆oz vegan margarine, cut into small cubes