This Poppy Seed Chicken Casserole has creamy shredded chicken in a rich sour cream and cream of chicken sauce topped with a buttery Ritz cracker crust that bakes until golden and irresistible. It’s the kind of casserole your grandmother would have made and honestly she was onto something.

Some recipes don’t need reinventing. They just need to be made.
Poppy seed chicken casserole is one of those dishes that has been showing up at potlucks, church suppers, and family gatherings for as long as anyone can remember and for very good reason. Creamy shredded chicken, a rich sour cream sauce with just enough poppy seeds to make it interesting, and a buttery Ritz cracker topping that bakes into something golden and crunchy and completely irresistible.
It’s comfort food in the truest sense of the word. The kind of dish that makes a table go quiet for a moment because everyone is too busy eating to talk. I love those moments.

Why You’ll Love My Poppy Seed Chicken Casserole
- It’s genuinely easy. Shred the chicken, mix the filling, top with buttered crackers, bake. That’s the whole recipe and it takes 15 minutes of actual effort.
- The Ritz cracker topping is everything. Buttery, slightly salty, golden and crunchy on top while the casserole underneath stays creamy and bubbling. The contrast between the two textures is what makes this dish so satisfying.
- It feeds 8 people from simple pantry ingredients. Cream of chicken soup, sour cream, crackers. Things most of us already have on hand which means this can be dinner on almost no notice.
- And rotisserie chicken makes it even faster. Shred it while the oven preheats and you’re already halfway there.
Ingredients in Poppy Seed Chicken Casserole

- Cooked chicken (5 cups, shredded): Rotisserie chicken is the easiest and most flavorful shortcut here. Any cooked chicken works, leftover baked chicken, poached chicken breasts, whatever you have.
- Cream of chicken soup (2 cans, 10.5 ounces each): The creamy backbone of the filling. Yes it’s canned soup and yes it works perfectly in this casserole. This is not the recipe to make from scratch.
- Sour cream (1 cup): Adds tang and richness to the sauce and keeps it from being too heavy. Full fat for the best result.
- Garlic powder and onion powder: Simple seasoning that gives the filling depth without competing with the poppy seeds.
- Poppy seeds (1 tablespoon): The signature ingredient. They add a subtle nutty flavor and a little visual interest that makes this casserole distinctly its own thing.
- Salt and pepper: Season to taste after mixing since the cream of chicken soup already has salt in it.
- Ritz crackers (2 cups, crushed): The topping that makes this casserole. Buttery, slightly salty, and they bake into a golden crust that’s the best part of every serving. Don’t substitute with regular breadcrumbs, they won’t give you the same richness.
- Butter (½ cup, melted): Tossed with the crackers before they go on top. This is what makes the topping golden and crispy instead of just a layer of dry crumbs.
How to Make Poppy Seed Chicken Casserole
Preheat the oven to 350°F and lightly grease a 9 by 13 inch baking dish.

In a large bowl combine the shredded chicken, both cans of cream of chicken soup, sour cream, garlic powder, onion powder, and poppy seeds. Mix well until everything is evenly combined. Taste before it goes in the dish and season with salt and pepper, keeping in mind the soup already has salt in it so go easy at first.
In a separate bowl toss the crushed Ritz crackers with the melted butter until every crumb is well coated.

Spread the chicken mixture evenly into the prepared baking dish. Sprinkle this evenly over the chicken mixture.

Bake for 25 to 30 minutes until the topping is golden brown and the filling is bubbling around the edges. Let it cool for a few minutes before serving, then garnish with fresh parsley.
Serve hot. Try to save some for everyone else.

Tips and Tricks
- Rotisserie chicken is your best friend here. Already cooked, already seasoned, easy to shred. It cuts the prep time in half and adds flavor.
- Don’t over-salt before tasting. The cream of chicken soup is already seasoned. Mix everything first, taste, then add salt if it needs it.
- Crush the crackers by hand or in a zip top bag. You want a mix of fine crumbs and slightly larger pieces for the best texture. Don’t pulverize them completely into dust.
- Cover with foil if the topping browns too quickly. If the crackers are getting dark before the filling is bubbling, lay a piece of foil loosely over the top for the remaining bake time.
- Let it rest before serving. A few minutes off the heat lets the filling set slightly so it scoops cleanly rather than running all over the plate.
- Make it ahead. Assemble the whole casserole, cover, and refrigerate overnight. Add about 10 minutes to the bake time since it’s going in cold.
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