filling:
1 cup water
120 grams caster sugar
1 teaspoon yuzu juice
1/2 teaspoon cinnamon
700 grams of blueberries - or any fruit cut to bite size pieces
dough:
2 cups all purpose flour
2 teaspoons baking powder
1/2 teaspoon baking soda
1/2 teaspoon sea salt
4 tablespoons cold butter
1 cup cold buttermilk