Gratin Of Vidalia Onions

Total Time: 45 mins Preparation Time: 20 mins Cook Time: 25 mins

Ingredients

• Servings: 6
• 6 tablespoons butter, divided
• 4 large vidalia sweet onions, halved lengthwise, then sliced 1/4-inch thick (4 lbs)
• 3 tablespoons flour
• 1/2 teaspoon salt (to taste)
• 1/4 teaspoon pepper (to taste)
• 1/4 teaspoon dried thyme leaves
• 1/4 teaspoon freshly grated nutmeg
• 1 cup half-and-half
• 1/2 cup chicken broth
• 1/4 cup freshly grated parmigiano-reggiano cheese, plus 3 tbsp
• 1 1/2 cups moderately coarse soft breadcrumbs

Recipe

• 1 preheat oven to 375 degrees f. lightly butter a 2-qt gratin dish or shallow casserole.
• 2 melt 2 tbsp butter in large skillet over medium-high heat. add onion and saute 10-12 minutes, stirring often, until soft. transfer to prepared casserole.
• 3 melt 2 more tbsp butter in same skillet over medium heat. whisk in flour, salt, pepper, thyme, and nutmeg.
• 4 combine half-and-half and broth and gradually whisk into skillet. whisk 2-3 minutes, or until thick and smooth. blend in 1/4 c parmigiano, taste, and adjust seasonings. pour over onions, spreading evenly.
• 5 melt remaining butter and quickly toss with remaining parmigiano and breadcrumbs. scatter over top of gratin.
• 6 bake, uncovered, in center of oven 20-25 minutes or until bubbling and browned. serve at once.