Almond Berry Cakes

Ingredients 3 cups fresh blueberries 1 cup plus 1 tablespoon sugar, divided 1 tablespoon lemon juice 2 teaspoons cornstarch 1 tablespoon water 2 tablespoons amaretto 4 cups all-purpose flour 1 tablespoon baking powder 1/2 teaspoon salt 1/3 cup ground toasted almonds 1/2 cup butter 1 egg 1 cup half-and-half 1/8 teaspoon almond extract 1 cup