INGREDIENTS
2 cups
all-purpose flour, divided
2 cups
fresh blueberries
1 cup
sugar, plus extra for sprinkling on cake
1/2 cup
buttermilk
1/2 cup
unsalted butter, softened
1
lemon, zested
1
large egg, room temperature
2 tsp
baking powder
1 tsp
vanilla extract
1 tsp
kosher salt