INGREDIENTS
1/2 cup
unsalted butter
1 cup
granulated sugar
2 tbsps
lemon zest
3 larges
egg whites
1 tsp
vanilla extract
1 1/2 cups
cake flour
2 tsps
baking powder
1/4 tsp
salt
3 tbsps
lemon juice
1/2 cup
0% fat greek yogurt
1 1/3 cups
blueberries
3/4 cup
unsalted butter
3
powdered sugar
1 tbsp
whipping cream