If you are craving a comforting, creamy, and truly delicious dish, this Poppy Seed Chicken Casserole Recipe is a treasure you need to try. It perfectly combines tender shredded chicken with a luscious blend of creamy soup, tangy sour cream, mayo, and a subtle hint of Dijon mustard. The poppy seeds add a unique, delightful texture, while the buttery Ritz cracker topping creates an irresistible golden crust that makes every bite a winner. This casserole brings warmth and nostalgia to your table in the most flavorful way possible.

Ingredients You’ll Need
Each ingredient in this Poppy Seed Chicken Casserole Recipe plays a vital role, whether providing creaminess, tang, or crunch. These simple staples come together to craft a dish that tastes far more complex than its easy prep might suggest.
- 4 cups cooked chicken, shredded: The hearty protein foundation that soaks up all the flavors perfectly.
- 1 can (10.5 oz) cream of chicken soup: Adds rich creaminess and helps bind the casserole beautifully.
- 1 cup sour cream: Brings a tangy smoothness that brightens the dish.
- 1/2 cup mayonnaise: Contributes to the velvety texture and depth of flavor.
- 1 tablespoon Dijon mustard: Offers a subtle kick and complexity to balance the creaminess.
- 1 teaspoon garlic powder: Infuses a gentle savory warmth throughout.
- 1/2 teaspoon onion powder: Adds a delicate sweetness and aromatic undertone.
- 1 tablespoon poppy seeds: Gives a light crunch and unique nuttiness that makes this recipe stand out.
- 1 cup crushed Ritz crackers: Creates a buttery, crispy topping that’s simply irresistible.
- 1/4 cup melted butter: Helps the cracker topping brown beautifully and adds richness.
- Salt and pepper to taste: Essential seasonings to bring all the flavors into perfect harmony.
How to Make Poppy Seed Chicken Casserole Recipe
Step 1: Preheat Your Oven
First things first, get your oven warmed up to 350°F (175°C). This ensures your casserole cooks evenly and finishes with that perfect golden top.
Step 2: Mix the Creamy Filling
In a large bowl, combine the cream of chicken soup, sour cream, mayonnaise, Dijon mustard, garlic powder, onion powder, and poppy seeds. Mix these ingredients until the mixture is nice and smooth, forming the creamy base of your casserole.
Step 3: Add the Shredded Chicken
Stir in the cooked, shredded chicken, making sure every piece is well coated in that luscious mixture. Taste and season with salt and pepper accordingly to enhance all the flavors.
Step 4: Prepare the Casserole Dish
Grease a 9×13-inch casserole dish and spread your chicken and cream mixture evenly inside. This layer is the heart of the dish and will bake into a velvety, rich filling.
Step 5: Make the Crunchy Topping
In a small bowl, combine the crushed Ritz crackers with melted butter. Sprinkle this mixture evenly over the top of your casserole to create that irresistible crispy crust.
Step 6: Bake to Perfection
Pop the casserole into the oven and bake for 30 to 35 minutes, until the topping turns a beautiful golden brown and the casserole is bubbling with warmth.
Step 7: Serve and Enjoy Hot
Once out of the oven, serve this comforting Poppy Seed Chicken Casserole Recipe hot. The bubbling cream and crunchy topping make every forkful a joy.
How to Serve Poppy Seed Chicken Casserole Recipe

Garnishes
Fresh herbs like chopped parsley or chives work wonderfully as a garnish, adding a pop of color and a hint of fresh flavor that complements the rich casserole perfectly.
Side Dishes
This casserole pairs beautifully with simple green salads, steamed vegetables like broccoli or green beans, or even a scoop of buttery mashed potatoes to soak up any extra creamy goodness on your plate.
Creative Ways to Present
For a more festive touch, try serving the casserole in individual ramekins or small baking dishes. You can also sprinkle extra poppy seeds or Parmesan cheese over the top before baking to elevate the flavor and presentation.
Make Ahead and Storage
Storing Leftovers
Leftovers of this Poppy Seed Chicken Casserole Recipe should be kept covered in the refrigerator for up to 3 days. Make sure your container is airtight to keep the casserole moist and flavorful.
Freezing
You can freeze this casserole either before or after baking. If freezing before, assemble in a freezer-safe container, cover tightly, and freeze for up to 3 months. If freezing after baking, wrap it well and thaw overnight in the fridge before reheating.
Reheating
To reheat, place leftover casserole in an oven-safe dish and warm at 350°F (175°C) until heated through and bubbling, usually around 20-25 minutes. Cover loosely with foil if it starts browning too much.
FAQs
Can I use rotisserie chicken for this casserole?
Absolutely! Rotisserie chicken is a fantastic shortcut and adds great flavor, making your Poppy Seed Chicken Casserole Recipe even easier to prepare.
Is it possible to make this casserole gluten-free?
Yes, simply substitute the Ritz crackers with gluten-free crackers or crushed gluten-free cornflakes, and make sure the cream of chicken soup is labeled gluten-free.
Can I prepare this casserole ahead of time and bake it later?
Definitely! You can assemble the casserole, cover it tightly, and refrigerate it for up to 24 hours before baking. This makes meal prep effortless and convenient.
What can I substitute for mayonnaise if I don’t have any?
Sour cream alone can work in a pinch, but you could also try Greek yogurt for a tangy and creamy alternative that keeps the texture just right.
How spicy is this dish?
This recipe is very mild and comforting, with just a subtle tang from the Dijon mustard; it’s perfect for all palates, including kids.
Final Thoughts
There is something so wonderfully soothing and satisfying about the Poppy Seed Chicken Casserole Recipe that makes it a beloved classic for good reason. Its creamy, savory filling paired with a crispy topping is the kind of dish that fills your home with warmth and your heart with happiness. Whether you’re looking for a family favorite or a dish to impress friends, this casserole is an absolute winner you will return to time and again.
Print
Poppy Seed Chicken Casserole Recipe
- Prep Time: 10 minutes
- Cook Time: 35 minutes
- Total Time: 45 minutes
- Yield: 6 servings
- Category: Main Dish
- Method: Baking
- Cuisine: American
Description
This classic Poppy Seed Chicken Casserole is a creamy, comforting dish featuring tender shredded chicken baked in a flavorful sauce made with cream of chicken soup, sour cream, mayonnaise, and a hint of Dijon mustard, all topped with a buttery poppy seed and Ritz cracker crust. Perfect for an easy family dinner that delivers rich textures and a delightful crunch.
Ingredients
Chicken and Sauce
- 4 cups cooked chicken, shredded
- 1 can (10.5 oz) cream of chicken soup
- 1 cup sour cream
- 1/2 cup mayonnaise
- 1 tablespoon Dijon mustard
- 1 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1 tablespoon poppy seeds
- Salt and pepper to taste
Topping
- 1 cup crushed Ritz crackers
- 1/4 cup melted butter
Instructions
- Preheat Oven: Preheat your oven to 350°F (175°C) to prepare for baking the casserole.
- Make the Sauce: In a large mixing bowl, combine the cream of chicken soup, sour cream, mayonnaise, Dijon mustard, garlic powder, onion powder, and poppy seeds. Stir mixture until it becomes smooth and uniform.
- Add Chicken: Stir the shredded cooked chicken into the sauce mixture until all pieces are well coated. Season the mixture with salt and pepper according to your taste preferences.
- Prepare Casserole Dish: Grease a 9×13-inch casserole dish to prevent sticking. Spread the chicken and sauce mixture evenly into the dish, smoothing the surface.
- Prepare Topping: In a small bowl, combine the crushed Ritz crackers with the melted butter, mixing until the crumbs are evenly coated.
- Add Topping: Sprinkle the buttered cracker mixture evenly over the top of the chicken casserole to create a crunchy crust.
- Bake: Place the casserole in the preheated oven and bake for 30 to 35 minutes or until the topping is golden brown and the casserole is bubbling hot around the edges.
- Serve: Remove from oven, let it cool slightly, and serve the casserole hot for a creamy and crunchy comfort meal.
Notes
- Use rotisserie or leftover cooked chicken for a quick preparation.
- For an extra creamy texture, you can add a bit of shredded cheese into the mixture before baking.
- To make it a bit healthier, substitute mayonnaise with Greek yogurt.
- Ensure the cracker topping is evenly spread for a perfect, crunchy crust.
- You can prepare this casserole a day ahead and refrigerate before baking to enhance flavors.

