INGREDIENTS
1 cup
white sugar
1 tsp
baking powder
3 cups
all-purpose flour
1 cup
cold unsalted butter (2 sticks or 8 ounces)
1
egg
1/4 tsp
salt
Zest and juice of 2 lemons
4 cups
fresh blueberries (2 small 16 oz cartons)
1/2 cup
white sugar
4 tsp
cornstarch