The onions can be made 3 hours ahead. Let stand at room temperature.
Bon AppétitGreen Beans with Caramelized Red OnionsBy William VietsAugust 20, 20043.8(25)ArrowJump To RecipeSave StorySave this storyPrintThe onions can be made 3 hours ahead. Let stand at room temperature.Recipe notesBack to topTriangle