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    See More:   Breakfast Comfort Food Gluten-Free Main Dishes Raising Foodie Kids

    Last Modified: Feb 18, 2025 by Tara Gerner 7 Comments

    Cheesy Chicken Hashbrown Casserole

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    This chicken hashbrown casserole is the ultimate cheesy hashbrown casserole with a crispy corn flakes topping that’s baked to golden perfection. It’s an easy hashbrown casserole made with potatoes, creamy sauce, and loads of cheese—ideal for Easter brunch recipes, weeknight dinner, or a potluck. Your family will love this simple, gluten-free, make-ahead dish that’s great for a crowd. Pin this now to have the best Easter dinner recipe or cozy comfort meal ready to go!

    a scoop of cheese chicken hash brown casserole on a wooden spoonPin

    We made this casserole for dinner last week, and it was very fine. I ate the leftovers for every meal until they were gone. It really was that good.

    Cheese, potatoes, crunchy. How can you go wrong?

    You can't.

    Why this is the best cheesy hash brown chicken casserole

    This is the best of the easy casseroles because it is made from simple pantry staples and comes together in about five minutes, and then you bake.

    This cheesy chicken hash brown casserole can be a breakfast, brunch, lunch, or dinner recipe because it is so versatile and delicious. It is a full meal in one dish, and it's awesome for potlucks. Your friends are going to love it!

    The flavor of this meal is similar to the Cracker Barrel hash brown casserole that so many of us love. It's rich and creamy and cheesy, and the crunchy topping (that isn't on the Cracker Barrel version but I added) gives it a nice texture.

    If you have leftover rotisserie chicken breast or BBQ chicken, this easy casserole recipe is a great way to use it up. The tender chicken will blend with the rest of the ingredients to make a creamy but hearty meal.

    cheesy chicken hashbrown casserole in a white baking dishPin

    What you'll need to make easy chicken hash brown potato casserole without cream of chicken soup

    Equipment

    To make this recipe, you'll need a garlic press. If you don't have one, you can mince the garlic as fine as possible with a sharp knife, but it's really so much easier if you press it. I use my garlic press daily and have for 25+ years.

    You'll sauté the chicken and onion mixture, so you'll need a large skillet, and you'll cook the whole casserole in a 9x13 baking pan.

    You'll also need a large mixing bowl and standard measuring cups and spoons, along with a heat safe rubber or silicone spatula.

    Ingredients

    See printable recipe card at the bottom for measurements.

    cheesy chicken hashbrown casserole ingredients
    • Frozen hash brown potatoes - Remove from the freezer and thaw prior to using them in the recipe.
    • Fresh garlic
    • Onion
    • Cooked chicken, shredded or diced - You can also use ham. I love to use a rotisserie chicken that we didn't finish the night before, but any leftover chicken or even canned chicken will work beautifully.
    • Butter
    • Cornstarch - If you're not gluten-free, feel free to use flour or even cup 4 cup gluten-free flour.
    • 1% milk - Don't try to use skim milk in this recipe. It will turn out bland.
    • Chicken broth
    • Onion soup mix - If you don't want to use this, you could substitute an equal amount of ranch seasoning (click the link for my homemade ranch seasoning recipe).
    • Greek yogurt or sour cream - Greek yogurt and sour cream taste almost identical and are interchangeable in almost every recipe.
    • Cheddar cheese
    • Corn flakes - I have heard that not all corn flakes are gluten-free. Make sure to check the ingredients and use your best judgement. If you're not gluten-free, French fried onions or crushed Ritz crackers would be good, too.
    • Salt & black pepper - I don't generally use these because the onion soup mix has enough seasoning, but I know some people like a little extra.

    How to make this cheesy chicken hashbrown casserole recipe

    1. Preheat oven to 350ºF.
    2. In a large skillet, melt 2 tablespoons of butter. Sauté garlic, onion, and chicken in the melted butter until the onions are clear and softened. Set aside.
      chicken and onions in a skilletPin
    3. Melt remaining butter in a medium saucepan over medium heat. Whisk in cornstarch and cook for two minutes.
      melted butter and cornstarch in a skilletPin
    4. Add 2 cups milk, broth, soup mix, and sautéed garlic, onion, and chicken. Bring to a boil, reduce heat, and simmer (that means to cook just below the boiling point) until it's thickened. Stir frequently to prevent it from sticking and burning.
      bring skillet to a simmerPin
    5. Add sour cream to the saucepan. Mix well.
      add chicken back in to the skillet and mix wellPin
    6. If your saucepan is big enough, add the hashbrown potatoes and shredded cheese and stir until it's well blended. If the saucepan isn't big enough, either dump them in a large bowl or mix them in your baking dish.
    7. If you haven't already, pour the whole mess into a 9x13 baking dish. Pour some milk in (that's the remaining ½ cup, but you may use a little more or a little less) so that all the potatoes are covered.
      pour milk over the hashbrown casserolePin
    8. Sprinkle cornflakes over the top of the potato mixture.
      sprinkle corn flakes over the casserolePin
    9. Cover with foil and bake for 90 minutes or until it's bubbly. Remove the foil and cook the last 10 minutes to toast the corn flakes.
      cheesy chicken hash brown casserole after it's been baked in the ovenPin

    How to thaw frozen hash browns

    I usually just toss the bag into the fridge overnight. They thaw slowly and are ready to use in the morning.

    Another way to thaw frozen potatoes is to spread them on a baking sheet at room temperature for an hour or so.

    If you're in a hurry, you can pop that baking sheet into a preheated 175ºF oven for 15 minutes.

    Cook's tips for the best hash brown casserole

    When you make this, don't skip the step where you sauté the onions. The sweet onion flavor really make the potatoes in this dish sing, but if you don't sauté them first, you will have raw onions in your finished casserole. Any nobody likes raw onions in their cooked potatoes.

    Ask me how I know. Better yet, don't. I don't want to relive that experience.

    Just trust me. Cook the onions first.

    Be sure your hashbrowns have thawed. If they go into the casserole frozen, it will take ten years to bake.

    Variations

    If you're not gluten-free, I think this would be really good with some of those french fried onions on top rather than corn flakes. Corn flakes are good and do give it a nice crispy top, but I used to love those onions and think they would really elevate the casserole to a whole new level.

    Rotisserie chicken makes this super quick and super easy. Rotisserie chicken has a great flavor that really adds to the flavor of this casserole. But if you don't have a rotisserie chicken, you could use leftover BBQ chicken or even a can of chicken. Or use some leftover roast turkey which would also be great.

    If you don't want to use onion soup mix, you could use a couple of tablespoons of BBQ seasoning, taco seasoning, cajun seasoning, or ranch dressing powder.

    You can add green or red bell peppers, corn kernels, jalapeños, or diced green chiles (drained) to the onions when you sauté them in the first step.

    You can use crumbled, pre-cooked sausage (fat drained) or diced ham in place of the chicken.

    You can garnish this with some chopped green onions or fresh parsley just before serving.

    cheesy chicken hashbrown casserole in a white baking dishPin

    Storing leftover chicken hashbrown casserole

    You can store your leftover casserole in an airtight container in the fridge for up to 5 days. The crunchy topping will get soggy in the refrigerator, but it's not a huge deal.

    I've never tried to freeze this, but if you left off the crunchy topping, I think it would freeze pretty well. Bake it in a disposable baking pan first, then cool it completely. Then wrap it tightly in plastic wrap, then aluminum foil, and it should be okay for up to 2-3 months.

    To bake, thaw in the fridge overnight and then bake at 350º for 45 minutes or until hot and bubbly. Put the topping on and bake for an additional 10 minutes.

    While you're here, take a look at these delicious brunch recipes:

    • Healthy Hash Brown Casserole - Don't let "healthy" deter you; this is gooey and cheesy and amazing!
    • Baked Apple Pecan Pancakes
    • Carrot Cake Pancakes
    • Cheese & Green Chile Oven Omelette
    • Ham & Cheese Omelet Roll Up
    • Sausage & Veggie Omelet Roll Up
    • Bananas Foster Pancakes
    • Fruity Pebbles Pancakes
    • Apple Ring Pancakes
    • Bacon Omelet Recipe with Sun-Dried Tomatoes, Basil, and Feta Cheese
    • Oven Baked Veggie Omelet

    Recipe

    a scoop of cheese chicken hash brown casserole on a wooden spoon

    Cheesy Chicken Hashbrown Casserole (Gluten-free)

    This chicken hashbrown casserole is the ultimate cheesy hashbrown casserole with a crispy corn flakes topping that’s baked to golden perfection. It’s an easy hashbrown casserole made with potatoes, creamy sauce, and loads of cheese—ideal for Easter brunch recipes, weeknight dinner, or a potluck. Your family will love this simple, gluten-free, make-ahead dish that’s great for a crowd.
    4.97 from 26 votes
    Print Recipe Pin Recipe Add to Collection Go to Collections
    Prep Time 5 minutes mins
    Cook Time 1 hour hr 40 minutes mins
    Total Time 1 hour hr 45 minutes mins
    Course Gluten-free, Main Course, Side Dish
    Cuisine American
    Servings 8 servings
    Calories 380 kcal

    Equipment

    • Garlic press
    • 10-inch stainless steel skillet
    • Deep 9x13 pan

    Ingredients
      

    • 24 ounces frozen hash browns doesn't have to be exact
    • 10 tablespoons butter divided
    • 4 cloves garlic
    • 1 small onion
    • 1 cup chicken cooked, shredded or diced - or use ham
    • ½ cup cornstarch
    • 2½ cups 1% milk divided, but not skim!
    • 1½ cup chicken broth
    • 1 package onion soup mix
    • ½ cup Greek yogurt or sour cream
    • 2 cups cheddar cheese
    • corn flakes I have heard that not all corn flakes are gluten-free. Make sure to check the ingredients and use your best judgement. If you're not gluten-free, French fried onions would be good, too.

    Instructions
     

    • Preheat oven to 350ºF.
    • In a large skillet, melt 2 tablespoons of butter. Sauté garlic, onion, and chicken in the melted butter until the onions are clear and softened. Set aside.
    • Melt remaining butter in a medium saucepan over medium heat. Whisk in cornstarch and cook for two minutes. Add 2 cups milk, broth, soup mix, and sautéed garlic, onion, and chicken. Bring to a boil, reduce heat, and simmer (that means to cook just below the boiling point) until it's thickened. Stir frequently to prevent it from sticking and burning.
    • Add sour cream to the saucepan. Mix well.
    • If your saucepan is big enough, add the hash browns and shredded cheese and stir until it's well blended. If the saucepan isn't big enough, either dump them in a mixing bowl or mix them in your baking dish.
    • If you haven't already, pour the whole mess into a 9x13 baking dish. Pour some milk in (that's the remaining ½ cup, but you may use a little more or a little less) so that all the potatoes are covered.
    • Sprinkle corn flakes over the top of the potato mixture. Cover with foil and bake for 90 minutes or until it's bubbly. Remove the foil and cook the last 10 minutes to toast the corn flakes.

    Notes

    If you aren't gluten-free and prefer flour over cornstarch, you can substitute an equal amount in step 3.

    Nutrition

    Calories: 380kcal | Carbohydrates: 31g | Protein: 13g | Fat: 23g | Saturated Fat: 13g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Trans Fat: 0.5g | Cholesterol: 66mg | Sodium: 943mg | Potassium: 418mg | Fiber: 2g | Sugar: 3g | Vitamin A: 707IU | Vitamin C: 8mg | Calcium: 279mg | Iron: 1mg
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    Reader Interactions

    Comments

      4.97 from 26 votes (25 ratings without comment)

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      Recipe Rating




    1. Amy says

      March 26, 2016 at 10:43 pm

      Great recipe!!

      Reply
    2. Becky says

      April 23, 2019 at 11:56 am

      You may want to update your recipe... calls for cornstarch in the ingredients list and then you say flour in written instructions. Also, the onion soup mix is missing in the written instructions. Otherwise, very yummy

      Reply
      • Tara Ziegmont says

        April 23, 2019 at 1:48 pm

        Thanks for the heads up! I don't know how in the world it got so out of whack, but I'm fixing it.

        Reply
    3. Elizabeth hobbs says

      March 13, 2020 at 6:43 pm

      Onion soup mix is not gluten free

      Reply
      • Amanda says

        February 21, 2024 at 4:19 pm

        Neither are most cornflakes. I live in a rural area and we don't get specialty gluten-free stuff like that around here.

        Reply
    4. Leslie says

      October 19, 2021 at 12:05 pm

      5 stars
      I'm going to make this tonight! How long do you bake it? Top of recipe says cook time is one hour. Instructions for recipe says bake 90 minutes covered and 10 minutes uncovered. Thank you!

      Reply
      • Tara Ziegmont says

        October 19, 2021 at 12:16 pm

        It's 90 minutes plus 10 uncovered. I would start checking it around an hour, and then every 10-15 minutes after that, just to make sure it doesn't burn.

        Reply

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