This baked potato chicken broccoli casserole layers tender potato chunks, shredded chicken, and bright broccoli in a creamy cheddar sauce with a crisp golden topping. It tastes like a loaded baked potato turned into a full dinner.
It is made with ingredients you may already have, including leftover baked potatoes and rotisserie chicken, and it takes about 45 minutes from start to finish. A single dish holds six servings, which makes it a good choice for busy weeknights.
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Why This Baked Potato Chicken Broccoli Casserole Recipe Works
Everything in the dish is already cooked, so the oven only needs to heat it through and brown the top. That makes it forgiving and fast, especially if you start with leftover potatoes and store bought rotisserie chicken.
The sauce comes from condensed cream of chicken soup, milk, garlic powder, and cheddar. It coats the chunks evenly, and the cheese melts into a creamy blanket that tastes like the toppings of a loaded potato.
Broccoli adds color and a fresh bite, and a buttered breadcrumb topping gives a crisp contrast to the soft interior. Together they make a balanced casserole with protein, vegetables, and a satisfying starch.
Ingredients for Baked Potato Chicken Broccoli Casserole
- 2 cups cooked, shredded chicken
- 3 large baked russet potatoes, cooled, peeled, and diced
- 2 cups broccoli florets, steamed until crisp tender
- 1 cup shredded cheddar cheese
- 1 can condensed cream of chicken soup, about 10 ounces
- 3/4 cup whole milk
- 1/2 teaspoon garlic powder
- 1/2 teaspoon black pepper
- 1/2 cup panko breadcrumbs
- 1 tablespoon unsalted butter, melted
Chicken. Rotisserie chicken saves time, but any cooked chicken works. Shred it into bite sized pieces so every spoonful has some.
Potatoes. Russet potatoes bake up fluffy and absorb the sauce. Cool them completely before dicing so they hold their shape.
Broccoli. Steam the florets until just crisp tender, since they continue to soften in the oven. Cut them small so they distribute evenly.
Cheddar cheese. Shred a block of cheddar yourself for the smoothest melt. Pre shredded cheese contains starch that can make the sauce grainy.
Soup and milk. Condensed cream of chicken soup supplies the creamy base, and the milk thins it so the sauce coats everything without turning dry.
How to Make Baked Potato Chicken Broccoli Casserole
1. Prepare the oven and dish Heat the oven to 350 degrees F and grease a 9×13 baking dish with cooking spray or butter.
2. Mix the sauce Whisk the soup, milk, garlic powder, and pepper in a large bowl until smooth. Stir in half of the cheddar cheese.
3. Fold in the filling Add the chicken, diced potatoes, and broccoli to the sauce and fold gently until everything is evenly coated.
4. Top Spread the mixture in the prepared dish and sprinkle the remaining cheese over the top. Toss the panko with the melted butter and scatter it over the cheese.
5. Bake and rest Bake for 30 minutes, until bubbling at the edges and golden on top, and the center reaches 165 degrees F. Let the casserole stand for 5 minutes before serving.
How to Serve Baked Potato Chicken Broccoli Casserole
Serve the casserole hot with a crisp Italian house salad and warm fluffy homemade dinner rolls for dipping up the sauce. Parmesan garlic roasted Brussels sprouts or creamy buttermilk coleslaw make good extra sides. A dollop of sour cream and some chopped chives on top finish it like a loaded potato.
How to Store and Reheat Baked Potato Chicken Broccoli Casserole
Cool the casserole within two hours, then cover and refrigerate for up to 3 days. Freeze unbaked or baked portions in a covered dish for up to 2 months and thaw overnight in the refrigerator. Reheat covered at 350 degrees F until the center reaches 165 degrees F, then uncover for a few minutes to crisp the top.
Tips and Variations for Baked Potato Chicken Broccoli Casserole
Bake the potatoes ahead. Bake whole russets at 400 degrees F for 55 to 60 minutes, then cool completely. Cold potatoes dice cleanly and hold their shape.
Cool before dicing. Warm potatoes turn mushy when cut, so let them rest on a rack first.
Do not overcook the broccoli. Steam only until bright green and crisp tender, since the oven will finish the job.
Shred your own cheese. Block cheddar melts smoother than pre shredded cheese.
Change the sauce. Use cream of mushroom or cheddar soup if that is what you have.
Add bacon. Crumbled bacon on top adds salty crunch and fits well with the loaded potato theme.
Flag the allergens. This dish contains dairy, wheat, and possibly soy, so read labels and check with guests before serving.
Check trusted guidance. For a general refresher on cooling and storing casseroles, see the University of Wisconsin Extension leftovers guidance.
Frequently Asked Questions About Baked Potato Chicken Broccoli Casserole
Can I make baked potato chicken broccoli casserole ahead of time?
Yes. Assemble it up to a day ahead, cover, and refrigerate, then add about 10 minutes to the baking time. Add the breadcrumb topping just before baking so it stays crisp.
Can I freeze baked potato chicken broccoli casserole?
Yes. Freeze it unbaked or baked in a covered dish for up to 2 months. Thaw overnight in the refrigerator and bake until the center reaches 165 degrees F.
Can I use boiled potatoes in baked potato chicken broccoli casserole?
Yes. Dice boiled or roasted potatoes and use them the same way. Baked russets give the fluffiest texture, but either option works.
Can I use frozen broccoli?
Yes. Thaw and drain it well, then pat it dry so it does not add extra water to the sauce.
How do I keep the casserole from drying out?
Use the full amount of milk, cover loosely with foil if the top browns too fast, and do not overbake. Stop as soon as the center reaches 165 degrees F.
Baked Potato Chicken and Broccoli Casserole
Equipment
- 9×13 Baking Dish
- Large mixing bowl
- Steamer basket
- Whisk
Ingredients
Main Ingredients
- 2 cup cooked shredded chicken rotisserie works well
- 3 large russet potatoes baked, cooled, peeled, and cut into 3/4 inch pieces
- 2 cup broccoli florets steamed until crisp tender
- 1 cup shredded cheddar cheese
- 1 can condensed cream of chicken soup about 10 ounces
- ¾ cup whole milk
- ½ tsp garlic powder
- ½ tsp black pepper
- ½ cup panko breadcrumbs
- 1 tbsp unsalted butter melted, for the topping
Instructions
Cooking
- Heat and grease. Heat the oven to 350 degrees F and grease a 9×13 baking dish.
- Make the sauce. Whisk the soup, milk, garlic powder, and pepper until smooth, then stir in 1/2 cup of the cheese.
- Combine. Fold in the chicken, potatoes, and broccoli until evenly coated and spread in the dish.
- Top. Sprinkle on the remaining cheese and the panko tossed with melted butter.
- Bake. Bake for 30 minutes until bubbly and golden, with the center at 165 degrees F, then rest 5 minutes.
