via Martha. 6 tablespoons unsalted butter, room temperature, plus more for tins 3 cups plus 2 tablespoons all-purpose flour 3 teaspoons baking powder 1 teaspoon salt 1 1/4 cups sugar, plus more for sprinkling 1 large egg 2 large egg yolks 1 teaspoon pure vanilla extract 1 cup milk 1 3/4 cups blueberries Preheat the […]