INGREDIENTS
•
sugar - 4 tbsp
•
lemon zest - 1 tbsp
•
all purpose flour - 3 cups
•
baking powder - 5 tsp
•
salt - 1 tsp
•
butter - 6 tbsp (85 g), cold and cut into small pieces
•
buttermilk - 1 1/4 cup
•
egg - 1
•
blueberries - 1 1/2 cup fresh or frozen (if frozen, don't thaw, but rinse well