01 -
1/2 cup unsalted butter, softened.
02 -
4 oz cream cheese, softened.
03 -
3/4 cup granulated sugar.
04 -
1 large egg.
05 -
1 teaspoon vanilla extract.
06 -
1 3/4 cups all-purpose flour.
07 -
1 teaspoon baking powder.
08 -
1/4 teaspoon salt.
09 -
1 cup fresh blueberries (or frozen, thawed and drained).
10 -
2 teaspoons cornstarch.
11 -
1/2 cup powdered sugar.
12 -
2-3 tablespoons fresh lemon juice.