If you love cheesy, oniony dishes, you’ll be delighted with this easy weeknight casserole.
What Is French Onion Chicken Casserole?
Like every goodchicken casserole, French Onion Chicken Casserole features chicken and cheese enveloped in a decadently creamy base.
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You could also serve it overriceor pasta to soak up the indulgent and creamy sauce.
For any leftovers, store them in an airtight container in the fridge up to 4 days.
Ingredients
Cooking spray
3Tbsp.
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olive oil
2large (12 oz.
each) yellow onions, thinly sliced (about 5 cups)
1tsp.
unsalted butter
2garlic cloves, minced (about 2 tsp.)
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1cup sour cream
1/2cup mayonnaise
2Tbsp.
chopped fresh flat-leaf parsley
1cup crispy fried onions (such as French’s)
4oz.
pre-shredded low-moisture part-skim mozzarella cheese (about 1 cup)
2oz.
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Coat a 11-x 7-inch or 2 1/2-quart baking dish with cooking spray.
Cook onion mixture:
Heat oil in a large skillet over medium.
Uncover; stir in salt and pepper.
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Re-cover; cook, stirring occasionally, until golden brown and very soft, 8 to 10 minutes.
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Uncover.
Sprinkle flour over onion mixture, and cook, stirring often, until well incorporated, about 1 minute.
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Remove skillet from heat; stir in peas.
Let cool 5 minutes.
Transfer mixture to prepared baking dish, and sprinkle with fried onions, mozzarella, and Gruyere.
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Remove from oven, and let cool 5 minutes.
