Cheesy Chicken & Mashed Potato Casserole: The Cozy Bake You Need
If you’re craving something warm, creamy, and absolutely comforting, this Cheesy Chicken & Mashed Potato Casserole is calling your name. It’s packed with tender shredded chicken, fluffy mashed potatoes, tangy sour cream, and two kinds of melty cheese—all baked to bubbly perfection.
This is the kind of recipe that makes everyone rush to the table, especially when served hot from the oven with a sprinkle of green onions on top.
Why I Love This Recipe
This recipe is perfect for using up leftover mashed potatoes or rotisserie chicken—and it’s so flexible. Want to toss in some veggies or swap out the cheese types? Go for it. It comes together quickly, feeds a crowd, and always delivers that cozy, home-cooked feel. Plus, you can prep it in advance and bake it later!
Ingredients
- 3 cups cooked chicken, shredded
- 4 cups mashed potatoes (store-bought or homemade)
- 1 cup shredded mozzarella cheese
- ½ cup shredded cheddar cheese
- 1 cup sour cream
- 1 tbsp garlic powder (or to taste)
- Salt and pepper, to taste
- Chopped green onions, for garnish (optional)
Instructions
1. Preheat and Prep
Preheat your oven to 350°F (175°C) and lightly grease a 9×13-inch baking dish.
2. Combine the Goodness
In a large bowl, mix together the shredded chicken, mashed potatoes, mozzarella, cheddar, sour cream, garlic powder, salt, and pepper. Stir until well combined and creamy.
3. Assemble
Spread the mixture evenly into the prepared baking dish, smoothing out the top.
4. Bake
Bake for 25–30 minutes, or until heated through and lightly golden on top.
5. Garnish and Serve
Let it cool slightly before sprinkling with chopped green onions, if using. Serve warm and savor every creamy, cheesy bite.
Tips for Success
- Leftover chicken or turkey? This is the perfect way to use it up.
- Want a smoother texture? Whip your mashed potatoes with a little extra milk or butter before mixing.
- Add-ins welcome: peas, spinach, cooked broccoli, or caramelized onions make great additions.
- For extra richness, add a splash of heavy cream or an extra handful of cheese.
What to Serve with This Casserole
Pair this rich and savory bake with:
- A crisp green salad or roasted veggies to balance the richness
- A warm bowl of Mexican Chicken and Rice Casserole for a casserole combo night
- Or go all-out comfort with Easy Cheesy Chicken Sliders on the side
More Recipes You Will Love
- This Mexican Chicken and Rice Casserole Is My Favorite One-Pan Dinner That’s Always a Hit
- Easy Cheesy Chicken Sliders with Marinara Garlic Butter
- This Dorito Casserole Is My Favorite Weeknight Dinner Shortcut
- How I Turned a Classic Sandwich into the Ultimate Cheesy Hot Dip
- These Sheet Pan Quesadillas Are My Favorite Way to Feed a Crowd Fast
Final Thoughts
This Cheesy Chicken & Mashed Potato Casserole is the ultimate comfort food dish. It’s simple, satisfying, and endlessly versatile—perfect for weeknights, family dinners, or bringing to a potluck. You can make it ahead, freeze it, or load it up with leftovers. However you serve it, you’ll be coming back for seconds.
Try it out, tag your version, and follow for more warm and cozy eats!
— Jason Griffith, ChefManiac.com
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