CHICKEN, OVEN BAKED, RECIPES

French Onion Chicken Casserole

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French Onion Chicken Casserole has classic French flavors, tender chicken, and lots and lots of cheese. What more could you want? This is one of my family’s favorite dishes. Serve it over mashed potatoes, rice, or cooked noodles for an easy and delicious meal.

french onion chicken casserole

Ingredients for French Onion Chicken Casserole

  • butter
  • yellow onion
  • chicken breasts
  • paprika
  • salt
  • pepper
  • can French onion soup
  • water
  • balsamic vinegar
  • mozzarella cheese

How to Make French Onion Chicken Casserole

Cook the onions in the butter in a large skillet over medium heat. Bring them up to a simmer, then put the lid on the pan and turn the heat to low. Let the onions cook for 10-12 minutes until caramelized and golden brown. Remove the onions from the pan with a slotted spoon and set them aside. Keeping the drippings in the pan.

Season the chicken with the spices and add to the pan with the onion drippings. Sear for a few minutes or until there is a golden brown crust on the outside. The chicken does not need to be cooked through fully.

Add back in the onions, canned soup, water, and vinegar and simmer for a few minutes to thicken the sauce.

Pour the mixture into a greased medium-sized casserole dish and top with the mozzarella cheese. Bake at 350℉ for 25-30 minutes, or until the chicken is all the way cooked through. You can check this by taking the internal temperature with a meat thermometer. Once the chicken has reached 165℉ it is done! Serve with the carb of your choice and enjoy!

french onion chicken casserole

Recipe Notes

  • You might be surprised that canned French onion soup exists! Most major canned soup brands sell it. If you’re in a pinch you could use prepared onion soup mix, but it won’t be as rich and delicious.
  • You can double this recipe and bake it in two casserole dishes. I like to bake one in a disposable pan and bring it to a neighbor. Then they don’t have to return any dishes!
  • Serve this dish over cooked rice, mashed potatoes, egg noodles, or cauliflower rice if you’re trying to keep carbs low.

More Chicken Casserole Recipes

Dorito Chicken Casserole

Crack Chicken Casserole

Chicken Alfredo Casserole with Broccoli

French Onion Chicken Casserole

Recipe by Julia Pacheco
Course: Dinner, MainCuisine: American, FrenchDifficulty: Easy
Servings

4-5

servings
Prep time

20

minutes
Cooking time

30

minutes

French Onion Chicken Casserole has classic French flavors, tender chicken, and lots and lots of cheese. What more could you want?

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Ingredients

  • 2 tbsp butter

  • 1 large yellow onion, sliced

  • 2 large chicken breasts

  • 2 tsp paprika

  • 1/2 tsp salt

  • 1/4 tsp pepper

  • 10 oz can French onion soup

  • 1/4 cup water

  • 1 tbsp balsamic vinegar

  • 3/4 cup mozzarella cheese, shredded

  • mashed potatoes, rice, or cooked egg noodles, for serving

Directions

  • Preheat oven to 350℉.
  • To a large skillet over medium heat, add the butter and onion. Once simmering, put the lid on the pan and turn the heat to low. Let the onions cook for 10-12 minutes, stirring often, until golden brown. Remove onions with a slotted spoon and set aside, keeping the excess drippings in the pan.
  • Season the chicken on each side with paprika, salt, and pepper. Turn the heat to medium-high and add in the chicken to the pan you cooked the onions in. Sear for 2-3 minutes on each side to brown the chicken on the outside. This will create a golden brown crust on the outside of the chicken (the chicken does not need to be cooked through at this point).
  • Add the cooked onions, French onion soup, water, and balsamic vinegar and let simmer for 2-3 minutes to thicken the sauce.
  • Grease a medium-sized casserole dish with nonstick spray. Add the entire mixture to the baking dish and cover with mozzarella cheese. Bake for 25-30 minutes, or until the chicken is cooked through. Serve over mashed potatoes, rice, or egg noodles.

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3 Comments

  1. I’ve tried your other recipes and they have been great! Gonna try this tomorrow

  2. Stephanie Guerrero

    Lick the plate GOOD!! I don’t even like onion but this was incredible!!!!!!!!

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