This sheet pan version transforms classic chicken pot pie into a crowd-pleasing meal with minimal effort. The flaky crust bakes to golden perfection over a creamy, hearty filling that delivers pure comfort in every bite.
I’ve streamlined the process to fit a 13×9-inch pan, ensuring even cooking and easy serving. The filling combines tender chicken, vegetables, and a velvety sauce, all topped with a buttery crust that’s simpler than traditional pie assembly.
What sets this apart is the balance of textures—crisp top layer and rich, creamy filling beneath. It’s the kind of dish that feels like a warm hug on a chilly evening.
Perfect for family dinners or potlucks, this recipe proves that homemade comfort food doesn’t have to be complicated.
Ingredients for 13×9 Chicken Pot Pie
Everything you need for that classic comfort in a streamlined sheet pan version.
| Ingredient | Amount | Notes |
|---|---|---|
| Boneless Skinless Chicken Breast 🍗 | 2 lb | Diced into 1-inch pieces |
| All-Purpose Flour 🌾 | ⅓ cup | For thickening the sauce |
| Unsalted Butter 🧈 | ½ cup | Divided for filling and crust |
| Yellow Onion 🧅 | 1 whole | Medium, finely diced |
| Carrots 🥕 | 2 whole | Peeled and diced |
| Celery Stalks 🌿 | 2 whole | Diced, including leaves |
| Frozen Peas 🌱 | 1 cup | Thawed before using |
| Garlic Cloves 🧄 | 3 cloves | Minced finely |
| Chicken Broth 💧 | 2 cups | Low-sodium preferred |
| Whole Milk 🥛 | 1 cup | Full-fat for creaminess |
| Heavy Cream 🥛 | ½ cup | For rich, velvety texture |
| Puff Pastry Sheet 🥧 | 1 sheet | Thawed according to package |
| Salt 🧂 | 1 ½ tsp | Divided to taste |
| Black Pepper 🌶️ | 1 tsp | Freshly ground |
| Dried Thyme 🍃 | 1 tsp | For earthy depth |
The crust is what makes this. Pepperidge Farm puff pastry is my go-to—it bakes up perfectly flaky every time (and yes, it’s worth the extra dollar). For the chicken, boneless thighs work too and stay juicier, but breasts are easier to find. Look for low-sodium broth at Whole Foods or Trader Joe’s—it lets you control the seasoning better. Fresh veggies are ideal, but frozen works in a pinch (just thaw and drain them first).
Out of puff pastry? Store-bought pie crust will do the job, though it won’t be as light. No fresh thyme? Dried at one-third the amount gets you close. Swap peas for corn or green beans if that’s what’s in the freezer. The milk can be whole or 2%—just avoid skim (it’ll thin out the sauce). Need to make it ahead? Assemble everything but the crust, then refrigerate for up to 24 hours.
Leftovers keep beautifully—actually taste better the next day. Store covered in the fridge for up to 4 days or freeze for 2 months. Reheat in the oven to keep the crust crisp. The filling thickens as it cools, so don’t stress if it seems a bit thin straight out of the pan.
Why You’ll Love This Recipe
- One Pan Magic: I toss everything into a 13×9 dish—chicken, onions, carrots, butter, flour—and let the oven do the work.
- Buttery Crust Love: That golden, flaky top with the creamy filling underneath? Pure comfort in every bite.
- Feeds the Whole Crew: It’s my go-to for Sunday suppers, and there’s always enough for leftovers the next day.
- Budget-Friendly Winner: Boneless chicken breast and basic pantry staples keep this dish delicious without breaking the bank.
Step-by-Step Instructions for Chicken Pot Pie
Here is the method for creating this sheet pan dish with a perfect flaky crust.
Step 1: Sear and Cook the Chicken and Vegetables
Heat a large skillet over medium-high heat. Add ¼ cup of the unsalted butter and let it melt. Once foaming, add the 2 lb boneless skinless chicken breast, diced into 1-inch pieces, to the pan. Cook for 5-6 minutes until the chicken is no longer pink and develops a light golden color.
Transfer the chicken to a plate using a slotted spoon, leaving the butter and juices in the pan. Add the yellow onion, carrots, and celery stalks to the skillet. Sauté for 6-7 minutes until the vegetables are softened and the onion becomes translucent.
Step 2: Build the Creamy Filling
Add the 3 cloves garlic cloves to the skillet and cook for 30 seconds until fragrant. Sprinkle the 0.33 cup all-purpose flour over the vegetables and stir to coat evenly. Cook for 1 minute to remove the raw flour taste.
Slowly pour in the 2 cups chicken broth, 1 cup whole milk, and 0.5 cup heavy cream, stirring constantly to avoid lumps. Add 1 tsp salt, 1 tsp black pepper, and 1 tsp dried thyme. Stir in the 1 cup frozen peas and the cooked chicken. Simmer for 3-4 minutes until the mixture thickens to the consistency of a creamy stew.
Step 3: Assemble and Bake
Preheat your oven to 400°F. Pour the chicken and vegetable filling into a 13×9-inch baking dish, spreading it out evenly. Unfold the 1 sheet puff pastry sheet and place it over the filling, pressing the edges to seal. Cut a few small slits in the top to allow steam to escape.
Bake for 25-30 minutes until the puff pastry is golden brown and puffed. If the pastry browns too quickly, tent loosely with foil for the remaining time. Remove from the oven and let it rest for 5-10 minutes before serving to allow the filling to set slightly.
Pro Tips For Making 13×9 Chicken Pot Pie
- Pre-Cook the Chicken: Poach or sauté the chicken breasts first—raw chicken in the filling often doesn’t cook through in the oven, and you’ll end up with a gummy texture. I learned this the hard way after pulling a 13×9 out of the oven with underdone centers.
- Sauté the Veggies: Cook the onions and carrots in butter before mixing them into the filling; it deepens their flavor and removes excess moisture that would make your crust soggy. About 5-7 minutes over medium heat does the trick.
- Chill the Filling: Let the chicken and veggie mixture cool for 10-15 minutes before assembling—hot filling will melt the butter in your crust or flour mixture, making it greasy instead of flaky.
- Use Cold Butter: Cut the unsalted butter for your crust or topping into small cubes and keep it ice-cold until you mix it with the flour. Sounds fussy, but it’s the only way to get that crisp, layered texture in a 13×9 pan.
Perfect Pairings for This Dish
Side Dish Pairings
A simple green salad with a light vinaigrette balances the richness perfectly. I toss 5 oz mixed greens with 1 tbsp olive oil and 1 tsp balsamic vinegar. The acidity cuts through the creamy filling beautifully. 🥗
Bread Options
Serve with warm crusty bread or dinner rolls to soak up every last bit of sauce. I love sourdough from my local bakery—its tangy flavor complements the dish. For convenience, Texas Roadhouse rolls are a great store-bought option.
Vegetable Sides
Roasted Brussels sprouts with a drizzle of balsamic glaze add a caramelized contrast. Toss 1 lb trimmed sprouts with 2 tbsp olive oil, roast at 400°F for 20-25 minutes. Their crispy edges pair wonderfully with the creamy filling.
Wine Pairings
A crisp Chardonnay like Kendall-Jackson Vintner’s Reserve enhances the buttery crust. For red lovers, a light Pinot Noir such as Meiomi adds earthy notes without overpowering the dish. Both options are widely available at Total Wine or BevMo. 🍷
Nutrition Facts
Frequently Asked Questions
Can I make this ahead of time?
Yes! Assemble the filling in the dish, cover, and refrigerate for up to 24 hours. Add the puff pastry just before baking for the best texture.
What if my filling is too thin?
Let it simmer longer—up to 5 minutes—stirring frequently. If needed, mix 1 tbsp cornstarch with 1 tbsp water and stir into the filling until thickened.
Can I use store-bought pie crust instead?
Use 2 pie crusts (top and bottom) for a traditional feel. It won’t puff as much but still delivers great flavor.
How do I prevent a soggy crust?
Bake on the middle oven rack at 400°F and avoid overfilling. Vent slits in the pastry let steam escape, keeping it crisp.
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