Green Bean Gratin Recipe | Betty Crocker

Ingredients

• 2 bags (12 oz each) frozen cut green beans
• 1/2 cup butter or margarine
• 1 small onion, finely chopped (1/4 cup)
• 2 tablespoons Gold Medal™ all-purpose flour
• 1 cup Progresso™ chicken broth (from 32-oz carton)
• 1/2 teaspoon freshly ground black pepper
• 1/4 teaspoon salt
• 1/4 teaspoon ground red pepper (cayenne)
• 1 cup sour cream
• 1 1/2 cups Progresso™ panko crispy bread crumbs
• 1/2 cup freshly grated Parmesan cheese