Here is my favorite rotisserie chicken hash brown casserole, with crispy shredded potatoes, tender chicken, bacon bits, cheddar cheese, and a creamy soup base, all topped with buttery Ritz cracker crumbs.
This casserole is a lifesaver on busy weeknights when I need to get dinner on the table fast. I love that I can use store-bought rotisserie chicken and frozen ingredients to make it super easy, and my kids always clean their plates when I serve this one.
Why You’ll Love This Rotisserie Chicken Hash Brown Casserole
- Quick weeknight dinner – This casserole comes together in about an hour, making it perfect for busy evenings when you need something filling on the table fast.
- Uses rotisserie chicken – Skip the hassle of cooking chicken from scratch and use store-bought rotisserie chicken to save even more time and effort.
- One-dish meal – With protein, veggies, and potatoes all baked together, you’ve got a complete dinner in a single pan with minimal cleanup.
- Kid-friendly comfort food – The creamy, cheesy filling topped with buttery Ritz crackers makes this a hit with the whole family, including picky eaters.
- Great for meal prep – This casserole reheats beautifully, so you can make it ahead or enjoy leftovers throughout the week.
What Kind of Chicken Should I Use?
The beauty of this recipe is that it’s perfect for using up leftover rotisserie chicken from the store, which saves you tons of time and effort. You can also use any leftover cooked chicken you have on hand, whether it’s from a roast chicken dinner or even poached chicken breasts. If you’re starting from scratch, a store-bought rotisserie chicken is your best bet – just shred or chop the meat into bite-sized pieces and you’re ready to go. For this casserole, you’ll need about 3 cups of shredded chicken, which is roughly what you’ll get from one medium rotisserie chicken after removing the bones and skin.
Options for Substitutions
This casserole is super forgiving and works well with whatever you have in your kitchen:
- Rotisserie chicken: Any cooked chicken works great here – leftover grilled chicken, poached chicken breasts, or even canned chicken in a pinch. You can also use cooked turkey for a post-holiday meal.
- Hash browns: Frozen shredded hash browns, refrigerated hash browns, or frozen diced potatoes all work. If using fresh potatoes, shred them and squeeze out excess moisture before adding to the casserole.
- Cream of chicken soup: Cream of mushroom or cream of celery soup work just as well. You can also make a quick substitute by mixing 1 cup of chicken broth with 1/3 cup of heavy cream and 2 tablespoons of flour.
- Bacon bits: Real bacon crumbles are ideal, but store-bought bacon bits work fine. You can also skip the bacon entirely or swap it for diced ham.
- Mixed vegetables: Use whatever frozen veggie mix you prefer – peas and carrots, California blend, or even just one type of vegetable like broccoli or green beans.
- Ritz crackers: Crushed butter crackers, panko breadcrumbs, or even crushed cornflakes make a good crunchy topping. Mix with a tablespoon of melted butter for the best texture.
Watch Out for These Mistakes While Baking
The biggest mistake with this casserole is using frozen hash browns straight from the freezer, which releases excess moisture during baking and creates a watery dish – thaw them completely and squeeze out any liquid with paper towels or a clean kitchen towel first.
Skipping the foil-covered baking step might seem like a time-saver, but it actually leads to dried-out edges and an undercooked center, so make sure to cover tightly for those first 30 minutes.
Another common error is removing the casserole from the oven too early because the top looks golden – use a knife to check that the center is hot and bubbly, not just warm, before taking it out.
Finally, don’t skip the 10-15 minute resting period, as this allows the casserole to set up properly and makes it much easier to slice and serve without everything falling apart on the plate.
What to Serve With Rotisserie Chicken Hash Brown Casserole?
This casserole is pretty filling on its own, but I love serving it with a simple side salad to balance out all that creamy goodness. A basic mixed greens salad with ranch or a light vinaigrette does the trick perfectly. If you’re feeding a crowd for breakfast or brunch, fresh fruit like sliced melon or berries makes a nice addition to the plate. For dinner, some buttered green beans or roasted broccoli on the side rounds out the meal without making things too heavy.
Storage Instructions
Store: Keep any leftover casserole covered tightly with foil or in an airtight container in the fridge for up to 4 days. It makes great leftovers for lunch the next day, and honestly, sometimes I think it tastes even better after the flavors have had time to hang out together overnight.
Freeze: This casserole is perfect for freezing! You can freeze the whole thing before baking, or freeze leftovers after cooking. Just wrap it well in plastic wrap and then foil, and it’ll keep for up to 3 months. If freezing unbaked, add about 15-20 extra minutes to the baking time when cooking from frozen.
Reheat: Warm up individual portions in the microwave for about 2-3 minutes, or reheat the whole casserole covered with foil in a 350°F oven for 20-25 minutes until heated through. The Ritz topping might lose a bit of its crunch after storing, but it still tastes delicious.
| Preparation Time | 15-20 minutes |
| Cooking Time | 45-50 minutes |
| Total Time | 60-70 minutes |
| Level of Difficulty | Easy |
| Servings | 6 servings |
Estimated Nutrition
Estimated nutrition for the whole recipe (without optional ingredients):
- Calories: 2300-2600
- Protein: 120-140 g
- Fat: 120-140 g
- Carbohydrates: 180-210 g
Ingredients
For the filling:
- 3.5 cups hash browns (I prefer Ore-Ida frozen shredded potatoes for this)
- 3.5 cups chicken (shredded into 1-inch bite-sized pieces)
- 1/4 cup bacon bits
- 1 cup cheddar
- 1 can cream of chicken soup (I always use Campbell’s for the thickest consistency)
- 1/2 cup milk
- 12 oz frozen vegetables (thawed and drained to prevent a watery casserole)
- 1/4 tsp thyme
- 1/2 tsp onion powder
For the topping:
- 14 Ritz crackers (crushed into small crumbs for a golden crust)
- 1/2 cup cheddar
Step 1: Prepare the Oven and Ingredients
- 12 oz frozen vegetables
- 14 Ritz crackers
Preheat your oven to 400°F.
While it heats, thaw your frozen vegetables if not already done, then drain them thoroughly in a colander—I squeeze them gently in a clean kitchen towel to remove excess moisture, which prevents the casserole from becoming watery.
Crush the Ritz crackers into small, bite-sized crumbs and set aside.
Step 2: Build the Casserole Base
- 3.5 cups hash browns
- 3.5 cups rotisserie chicken
- 1/4 cup bacon bits
- 1 cup cheddar cheese
- 1 can cream of chicken soup
- 1/2 cup milk
- 12 oz thawed drained frozen vegetables from Step 1
- 1/4 tsp thyme
- 1/2 tsp onion powder
In a large mixing bowl, combine the hash browns, shredded rotisserie chicken, bacon bits, 1 cup cheddar cheese, drained vegetables, cream of chicken soup, milk, thyme, and onion powder.
Stir everything together until the ingredients are evenly distributed and the soup creates a binding sauce.
I find it helpful to break up any clumps of hash browns as I mix to ensure they distribute evenly throughout.
Step 3: Assemble and Top the Casserole
- casserole mixture from Step 2
- crushed Ritz crackers from Step 1
- 1/2 cup cheddar cheese
Transfer the casserole mixture into a greased 9×13 inch baking dish, spreading it into an even layer.
In a small bowl, combine the crushed Ritz cracker crumbs from Step 1 with the remaining 1/2 cup cheddar cheese, mixing until the cheese is distributed throughout.
Sprinkle this mixture evenly over the top of the casserole to create an even golden crust.
Step 4: Bake Covered and Uncover to Finish
Cover the casserole tightly with aluminum foil and bake for 30 minutes.
The foil traps steam and prevents the crackers from browning too quickly, allowing the center to cook through evenly.
Remove the foil and bake for an additional 15 minutes uncovered, until the cracker topping turns golden brown and the edges of the casserole begin to bubble.
Step 5: Rest and Serve
Remove the casserole from the oven and let it rest for 10-15 minutes before serving.
This resting period allows the hot cream sauce to set slightly, making the casserole easier to portion and helping the flavors meld together.
The top will continue to crisp as it cools slightly.
Classic Rotisserie Chicken Hash Brown Casserole
Ingredients
For the filling::
- 3.5 cups hash browns (I prefer Ore-Ida frozen shredded potatoes for this)
- 3.5 cups chicken (shredded into 1-inch bite-sized pieces)
- 1/4 cup bacon bits
- 1 cup cheddar
- 1 can cream of chicken soup (I always use Campbell’s for the thickest consistency)
- 1/2 cup milk
- 12 oz frozen vegetables (thawed and drained to prevent a watery casserole)
- 1/4 tsp thyme
- 1/2 tsp onion powder
For the topping::
- 14 Ritz crackers (crushed into small crumbs for a golden crust)
- 1/2 cup cheddar
Instructions
- Preheat your oven to 400°F. While it heats, thaw your frozen vegetables if not already done, then drain them thoroughly in a colander—I squeeze them gently in a clean kitchen towel to remove excess moisture, which prevents the casserole from becoming watery. Crush the Ritz crackers into small, bite-sized crumbs and set aside.
- In a large mixing bowl, combine the hash browns, shredded rotisserie chicken, bacon bits, 1 cup cheddar cheese, drained vegetables, cream of chicken soup, milk, thyme, and onion powder. Stir everything together until the ingredients are evenly distributed and the soup creates a binding sauce. I find it helpful to break up any clumps of hash browns as I mix to ensure they distribute evenly throughout.
- Transfer the casserole mixture into a greased 9x13 inch baking dish, spreading it into an even layer. In a small bowl, combine the crushed Ritz cracker crumbs from Step 1 with the remaining 1/2 cup cheddar cheese, mixing until the cheese is distributed throughout. Sprinkle this mixture evenly over the top of the casserole to create an even golden crust.
- Cover the casserole tightly with aluminum foil and bake for 30 minutes. The foil traps steam and prevents the crackers from browning too quickly, allowing the center to cook through evenly. Remove the foil and bake for an additional 15 minutes uncovered, until the cracker topping turns golden brown and the edges of the casserole begin to bubble.
- Remove the casserole from the oven and let it rest for 10-15 minutes before serving. This resting period allows the hot cream sauce to set slightly, making the casserole easier to portion and helping the flavors meld together. The top will continue to crisp as it cools slightly.
