🛒 Ingredients

For the Filling:

4 cups cooked chicken, shredded or diced (rotisserie, grilled, or leftover)

1 (10.5 oz) can cream of chicken soup (or mushroom for variation)

1 cup sour cream

½ cup mayonnaise

1 tsp garlic powder

½ tsp onion powder

½ tsp salt

¼ tsp black pepper

1 ½ cups frozen mixed vegetables (corn, peas, carrots)

1 ½ cups shredded cheddar cheese, divided

For the Crunchy Topping:

1 cup crushed cornflakes (or French’s fried onions for extra crunch)

2 tbsp butter, melted

🔥 Pro Tip: For deeper flavor, sauté frozen veggies 3–5 mins before adding. 


👩‍🍳 Step-by-Step Instructions

1️⃣ Prep & Preheat

Preheat oven to 350°F (175°C).

Lightly grease a 9×13-inch baking dish.

2️⃣ Make the Sauce Base

In a large bowl, mix:

Cream of chicken soup

Sour cream

Mayonnaise

Garlic powder, onion powder, salt & pepper

Stir until smooth and well blended.

3️⃣ Add Chicken, Veggies & Cheese

Fold in:

Cooked chicken

Frozen vegetables

1 cup cheddar cheese

Mix gently until everything is evenly coated.

4️⃣ Transfer to Dish

Pour mixture into the prepared baking dish.

Spread evenly.

5️⃣ Make the Crunchy Topping

In a small bowl, toss crushed cornflakes (or fried onions) with melted butter until fully coated.

6️⃣ Top & Bake

Sprinkle topping evenly over the casserole.

Bake 30–35 minutes, until:

Filling is bubbly

Top is golden brown and crisp

7️⃣ Rest & Serve

Let cool 5 minutes before serving (helps thicken).

Scoop and enjoy warm!

🍽️ Serving Ideas: 


With a crisp green salad

Garlic bread on the side

A dollop of extra sour cream or chives

🌈 Variations & Pro Hacks

🌱 Gluten-Free? Use GF cream soup + gluten-free cornflakes (like Chex cereal)

🌾 Dairy-Free? Swap sour cream/mayo for dairy-free alternatives, skip cheese or use vegan shreds

🍗 Turkey Version: Use leftover Thanksgiving turkey — perfect holiday leftover twist

🥦 More Veggies? Add spinach, broccoli, or mushrooms

🧊 Make-Ahead Magic: Assemble unbaked, cover, refrigerate overnight — bake when ready (+5 mins)

❄️ Freeze It! Freeze before or after baking — reheat at 350°F for 25–30 mins


🧠 Why This Works So Well

Cream of soup base = creamy richness with zero effort

Butter-coated topping = golden, crispy contrast to soft filling

Shredded cheese = melty pockets of flavor

One-pan method = deep flavor fusion and easy cleanup

It’s not magic — it’s casserole wisdom passed down through kitchens everywhere. ✨


❤️ Final Thought: Sometimes, the Best Meals Are Simple & Satisfying

You don’t need rare ingredients or hours in the kitchen to make something truly special.


Just good chicken, real cheese, and love.


This Chicken Casserole proves that the most beloved dishes are often the simplest — where every bite tastes like home, comfort, and care.


So next time you’re staring into the fridge wondering what to make…

Turn on the oven.


Whip up this family favorite.


And let your kitchen fill with the scent of garlic, butter, and joy.


Because great food doesn’t have to be fancy —

It just has to taste like it came from the heart. 💛