To create an easy glaze, stir together 1 cup powdered sugar and the juice from 1 lemon. Add water, up to about a tablespoon, to get desired consistency. Pour over cooled bars.
Feeding a crowd? Double the recipe and bake in a 13x9-inch pan.
Use Key lime juice and lime peel instead of lemon to turn these into Key Lime Blondie Bars.
© 2016 ®/TM General Mills All Rights Reserved