
This mashed potato casserole is a family favorite for busy weeknights and cozy Sunday dinners. Layers of creamy potatoes, sweet corn, gooey cheddar, and crispy chicken strips create the ultimate comfort food. A pour of savory brown gravy brings everything together for a fast classic meal that pleases all ages.
I threw this together on a chilly Saturday after a day of errands and everyone cleaned their plates in record time. Now we make it for movie nights and even let the kids help with the toppings.
Ingredients
- Mashed potatoes The base holds everything together Use starchy potatoes like Russets and whip until fluffy for best texture
- Corn Adds just the right pop of sweetness and color Use frozen or canned but choose bright yellow kernels for freshness
- Cheddar cheese Sharp flavor and perfect melt Look for blocks to grate yourself instead of bagged for superior melty results
- Chicken tenders Crispy and hearty topping You can make your own or use quality store-bought for speed Let them thaw a few minutes for easier slicing
- Brown gravy Pulls all the flavors together A homemade batch is wonderful but a quality gravy packet works in a pinch Choose low sodium if desired
Step-by-Step Instructions
- Prep the Oven
- Set your oven to 400 degrees Fahrenheit for even baking
- Prepare Chicken
- If you use frozen chicken tenders set them out for about five minutes for softer slicing
- Layer the Potatoes
- Spread the mashed potatoes evenly across the bottom of a nine by thirteen casserole dish Make sure they are warm so they spread smoothly
- Add the Corn and Cheese
- Scatter the corn evenly over the potatoes Top generously with grated cheddar so every bite gets flavor
- Slice and Top with Chicken
- Carefully cut the chicken tenders into your preferred size Arrange them in a single layer across the cheesy casserole
- Bake to Perfection
- Place the casserole uncovered in the oven Bake for twenty minutes if your chicken is frozen or fifteen minutes if homemade
- Make the Gravy
- While the casserole bakes warm up your gravy on the stove so it is hot and pourable
- Finish and Serve
- Drizzle the hot gravy evenly over the casserole Just enough so it clings to the crispy chicken and cheesy potatoes

I always look forward to the cheddar in this dish It melts into the potatoes and creates the best gooey pockets My son loves helping sprinkle the cheese and always asks for extra
Storage Tips
Let any leftovers cool before covering the dish tightly with foil or plastic wrap Refrigerate for up to three days For longer storage freeze portions in airtight containers and thaw overnight before reheating Covered loosely with foil the casserole reheats nicely in a moderate oven or microwave
Ingredient Substitutions
Swap in Monterey Jack or mozzarella for cheddar if you want a milder cheese If corn is not your favorite use green peas instead For the chicken try crispy popcorn chicken or grilled chunks for a lighter version
Serving Suggestions
This hearty casserole is filling on its own A side salad with a zesty vinaigrette helps cut the richness Roasted broccoli or green beans are welcome additions Some families love serving it with extra gravy on the side for dipping

Cultural Context
Mashed potato casseroles are a beloved staple across American homes Midwest families often build meals around potatoes and simple proteins This dish takes inspiration from classic diner comfort food but makes it shareable for any gathering
Frequently Asked Questions
- → Can I use homemade or store-bought chicken tenders?
Both options work well for this casserole. Homemade chicken adds a personal touch, but frozen tenders provide extra convenience without sacrificing flavor.
- → What type of mashed potatoes is best?
Using creamy, well-seasoned mashed potatoes enhances the texture and flavor. Homemade or quality store-bought versions are both suitable.
- → How can I save time with this dish?
The casserole can be assembled in advance and refrigerated, then baked just before serving. This makes it ideal for meal prepping or busy evenings.
- → Is it possible to substitute the cheese?
Corn, cheddar, and crispy chicken are classic, but you can replace cheddar with mozzarella, Monterey Jack, or your favorite melting cheese for a different twist.
- → How should leftovers be stored?
Let any leftovers cool, then store them in an airtight container in the refrigerator for up to three days. Reheat in the oven or microwave before serving.