![French Onion Chicken Casserole on a plate with a fork](https://cdn.statically.io/img/www.allrecipes.com/thmb/FasDJbgWGaPZvNaPkmvjGk9q4Js=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/8672221-french-onion-chicken-casserole-ddmfs-5969-4x3-beauty-ad90dcbc20344ed6a209c3b8a1f588aa.jpg)
Ingredients
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2 tablespoons unsalted butter
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1 1/2 cups chopped yellow onion
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1/2 cup chopped celery
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1/2 cup chopped carrot
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1 tablespoon finely chopped fresh garlic
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2 teaspoons fresh thyme leaves, plus more for garnish
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1 teaspoon kosher salt
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1 teaspoon freshly ground black pepper, plus more for garnish
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1 (10.5 ounce) can condensed French onion soup
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1/4 cup dry white wine
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1 cup sour cream
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1 cup mayonnaise
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1 teaspoon Dijon mustard
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2 cups Gruyere cheese, shredded, divided
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6 cups chopped rotisserie chicken (from 1 1/2 whole rotisserie chickens)
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1 (5 ounce) package seasoned croutons
Directions
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Gather all ingredients. Preheat the oven to 350 degrees F (175 degrees C).
Dotdash Meredith Food Studios
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Melt butter in a large skillet over medium heat. Add onion, celery, carrot, garlic, thyme, salt, and pepper; cook, stirring often, until onions are softened and translucent, 5 to 7 minutes.
Dotdash Meredith Food Studios
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Add French onion soup and wine, and bring to a simmer over medium heat. Simmer, undisturbed, until reduced and slightly thickened, 2 to 3 minutes. Stir in sour cream, mayonnaise, and mustard, and return to a simmer. Add 1 cup Gruyère, and cook, stirring constantly, until completely melted and combined, about 1 minute. Remove from heat, and fold in chicken.
Dotdash Meredith Food Studios
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Transfer to a 9x13-inch baking dish. Sprinkle croutons evenly over chicken mixture; sprinkle evenly with remaining Gruyère cheese. Bake in the preheated oven until bubbling and cheese is melted, 12 to 15 minutes. Let rest 10 minutes before serving. Garnish with additional thyme and pepper.
Dotdash Meredith Food Studios
Nutrition Facts (per serving)
621 | Calories |
48g | Fat |
23g | Carbs |
22g | Protein |
Nutrition Facts | |
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Servings Per Recipe 8 | |
Calories 621 | |
% Daily Value * | |
Total Fat 48g | 62% |
Saturated Fat 16g | 82% |
Cholesterol 109mg | 36% |
Sodium 947mg | 41% |
Total Carbohydrate 23g | 8% |
Dietary Fiber 2g | 8% |
Total Sugars 5g | |
Protein 22g | 45% |
Vitamin C 5mg | 5% |
Calcium 407mg | 31% |
Iron 2mg | 9% |
Potassium 366mg | 8% |
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.
(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.