This chicken hashbrown casserole combines cooked poultry, vegetables, and potatoes in a single baking dish. It relies on frozen shredded potatoes and canned soups to reduce preparation time. The dish bakes until the creamy sauce bubbles and the cracker topping turns golden brown.
You can assemble this meal in about ten minutes. It provides a straightforward option for busy weeknights when you want a warm dinner without standing over the stove. The layered ingredients create a filling meal that requires very little active cooking.
Why is Chicken Hashbrown Casserole a Must-Try?
Layering the chicken at the bottom keeps the meat tender while it absorbs the creamy sauce from above.
Using frozen hashbrowns and mixed vegetables saves time spent washing, peeling, and chopping raw produce.
The crushed butter crackers mix with melted butter to form a crisp topping that contrasts with the soft casserole.
Ingredients for Chicken Hashbrown Casserole
• Cooked chicken: Shredded rotisserie chicken or leftover baked chicken breast works well here.
• Hashbrowns: Use the shredded style rather than diced potatoes to help the casserole hold together.
• Mixed vegetables: A standard frozen blend of carrots, peas, corn, and green beans provides good color and texture.
• Soups: You can use two cans of the same soup if you prefer not to mix mushroom and chicken varieties.
• Butter crackers: Any round, flaky cracker will work for the topping.
Exact quantities are in the recipe card below.

How to Make Chicken Hashbrown Casserole
Step 1: Layer the base
Start by greasing your baking dish. Place the chopped chicken in an even layer across the bottom. Add the frozen mixed vegetables directly on top of the meat.
Step 2: Mix the potato layer
Combine the canned soups, sour cream, and seasonings in a mixing bowl. Stir in the frozen shredded hashbrowns until the potatoes are evenly coated with the wet ingredients. Spread this thick mixture over the vegetables.

Step 3: Add the topping and bake
Crush your crackers and sprinkle them over the casserole. Drizzle the melted butter across the cracker crumbs. Bake the dish until it is hot throughout and reaches the required food safety temperature.
What to Serve with Chicken Hashbrown Casserole
Serve this casserole with a simple green salad or a side of steamed broccoli.
Expert Tips for Chicken Hashbrown Casserole
Food safety requires all reheated cooked poultry to reach an internal temperature of 165°F (74°C) as measured by a meat thermometer.
You can use any neutral cooking oil spray to grease the baking dish.
The hashbrowns and vegetables go into the casserole straight from the freezer. There is no need to thaw them first.
How to Store and Freeze Chicken Hashbrown Casserole
Store leftover casserole in an airtight container in the refrigerator for up to 3 days. Freeze tightly wrapped portions for up to 2 months. Reheat in a 350°F (175°C) oven or in the microwave until the center reaches 165°F (74°C).

Chicken Hashbrown Casserole Recipe FAQs
Do I need to thaw the hashbrowns first?
No, you should use the hashbrowns straight from the freezer. Thawing them can make the casserole watery.
Can I make this casserole ahead of time?
You can assemble the casserole a day in advance and store it in the refrigerator. Wait to add the cracker topping until right before baking.
What can I use instead of sour cream?
Plain Greek yogurt is a direct substitute for sour cream in this recipe and will yield a similar texture.

Chicken Hashbrown Casserole
Ingredients
- 4 cups chopped cooked chicken 560g
- 12 oz frozen mixed vegetables 340g
- 1 can cream of chicken soup 10.5 oz / 298g
- 1 can cream of mushroom soup 10.5 oz / 298g
- 1 cup sour cream 240g
- 1 tsp seasoning salt
- 1/2 tsp black pepper
- 30 oz frozen shredded hashbrowns 850g
- 1/2 sleeve butter crackers crushed, about 16
- 4 tbsp unsalted butter melted, 56g
- 2 tbsp chopped green onions for garnish
Instructions
- Preheat the oven to 350°F (175°C). Coat a 9x13-inch baking dish with nonstick cooking spray.
- Spread the chopped cooked chicken evenly across the bottom of the prepared baking dish.
- Scatter the frozen mixed vegetables directly over the chicken layer.
- Stir the cream of chicken soup, cream of mushroom soup, sour cream, seasoning salt, and black pepper together in a large bowl.
- Fold the frozen hashbrowns into the soup mixture until they are fully coated.
- Spoon the hashbrown mixture evenly over the chicken and vegetables in the baking dish.
- Sprinkle the crushed butter crackers over the top and pour the melted butter evenly over the crackers.
- Bake uncovered for 40 to 45 minutes until the edges bubble and the center reaches a safe internal temperature of 165°F (74°C).
- Remove from the oven and let the casserole rest for 5 minutes. Garnish with chopped green onions before serving.
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