Directions

1. In a mixing bowl, cream butter and sugar. Beat in egg and vanilla. Combine the flour, baking powder and salt; gradually add to creamed mixture and mix well.
2. Divide dough into four portions; shape each into a 10-in. x 2-1/2-in. log. Place 4 in. apart on greased or foil-lined baking sheets. Make a 1/2-in. depression down the center of each log. Bake at 350 degrees F for 10 minutes.
3. Fill depressions with jam. Bake 10-15 minutes longer or until lightly browned. Cool for 2 minutes. Remove to a cutting board; cut into 3/4-in. slices. Place on wire racks.
4. In a small bowl, combine glaze ingredients until smooth. Drizzle over warm cookies. cool completely.