Chicken Pot Pie Recipe 9 X 13 Pan: Bake a Crowd-Pleasing Sheet of Comfort

This sheet pan version transforms classic chicken pot pie into a crowd-pleasing meal that bakes to golden perfection. No individual ramekins or finicky crusts—just a single 9 x 13 pan filled with creamy, savory goodness.

The filling comes together with tender chicken, hearty vegetables, and a velvety sauce that clings to every bite. A flaky, buttery crust blankets the top, baking into a golden finish that cracks with each serving.

This is comfort food at its most practical—easy to assemble, simple to serve, and guaranteed to satisfy. The sheet pan format ensures even baking while keeping the filling rich and flavorful.

Perfect for family dinners, potlucks, or whenever you need a meal that feels like a warm embrace. Here’s how to make it.

Ingredients for Chicken Pot Pie Recipe 9 X 13 Pan

Nothing exotic here—just good stuff for a sheet pan of comfort.

The chicken is the foundation here. I grab boneless, skinless breasts from Costco—they’re lean but still stay juicy. Thighs work too if you prefer darker meat (more flavor, slightly less drying out). For the veggies, fresh is ideal but frozen carrots and peas save time without sacrificing much. The puff pastry? Pepperidge Farm is my go-to—always flaky, never soggy.

No chicken broth? Vegetable broth plus a bouillon cube gets you close. Out of milk? Half-and-half makes it even richer. Fresh thyme instead of dried? Use triple the amount. No puff pastry? Pie crust or biscuit dough works in a pinch. The butter can be swapped for olive oil if you’re in a bind (but the flavor won’t be quite the same).

Leftovers keep beautifully—actually taste better the next day. Store in the fridge for up to 4 days or freeze for 3 months. Reheat in the oven to keep the crust crisp (microwave works, but expect soft pastry).

Step-by-Step Instructions for Chicken Pot Pie

This method delivers that cozy, comforting meal with a golden crust every time.

Step 1: Poach and Shred the Chicken Breast

Place the 1.5 lb chicken breast in a large pot and cover with water by about 1 inch. Bring to a gentle simmer over medium-high heat—don’t let it boil hard or the meat will toughen.

Cook for 12-15 minutes until the internal temperature reaches 165°F and the chicken is no longer pink inside. Remove from water and let cool slightly. Shred into bite-sized pieces using two forks—it should pull apart easily when done properly.

Step 2: Sauté the Vegetables Until Tender

In a large skillet, melt 2 tablespoons of the unsalted butter over medium heat. Add the yellow onion, carrots, and celery ribs. Cook for 8-10 minutes, stirring occasionally, until the vegetables soften and the onion turns translucent.

Add the frozen green peas during the last 2 minutes of cooking—they’ll thaw quickly in the hot pan. This ensures they stay bright green and don’t turn mushy. Season with salt, black pepper, garlic powder, and dried thyme.

Step 3: Make the Creamy Filling Sauce

In the same skillet, melt the remaining unsalted butter over medium heat. Whisk in the all-purpose flour to create a roux. Cook for 1-2 minutes until bubbly and golden—this removes the raw flour taste.

Gradually whisk in the chicken broth and whole milk until smooth. Bring to a simmer and cook for 3-4 minutes until the sauce thickens enough to coat the back of a spoon. Stir in the shredded chicken and vegetables, then remove from heat.

Step 4: Assemble and Bake in the 9×13 Pan

Transfer the chicken and vegetable mixture to a 9×13-inch baking dish, spreading it evenly. Unfold the puff pastry sheet and place it over the filling, trimming any excess to fit the dish. Press the edges lightly to seal.

Whisk the large egg with 1 tablespoon water and brush evenly over the pastry. Cut 4-5 small slits in the top to allow steam to escape. Bake at 375°F for 25-30 minutes until the crust is golden brown and puffed.

Step 5: Rest and Serve Warm

Let the pot pie rest for 10 minutes after removing from the oven. This allows the filling to set slightly so it doesn’t run out when you serve it. The crust should have a hollow sound when tapped lightly.

Scoop generous portions into bowls, making sure each serving gets some of that flaky, golden pastry top. The filling should be creamy and thick, with tender vegetables and chicken in every bite. Best served fresh from the oven for maximum comfort.

Flavor Customization for This Dish

Herb Infusions

Swap the dried thyme for 1 tsp rosemary or 1 tbsp fresh tarragon for a bolder herbal note. I love rosemary with chicken—it adds a piney depth that pairs beautifully with the creamy sauce. 🌿

Spicy Kick

Add ½ tsp cayenne pepper or 1 diced jalapeño to the vegetable mix for heat. A dash of hot sauce in the filling also works. I once added chipotle powder for a smoky-spicy twist my family raved about.

Creamy Upgrades

Replace whole milk with heavy cream for extra richness, or stir in 2 oz cream cheese at the end for tangy depth. A splash of white wine in the sauce adds acidity that brightens the dish.

Vegetable Swaps

Try mushrooms, diced potatoes, or asparagus in place of peas or carrots. For a heartier version, add 1 cup diced butternut squash. Just ensure all veggies are uniformly sized for even cooking.

Crust Variations

Use pie crust instead of puff pastry for a sturdier bite, or top with biscuit dough for a Southern-style twist. I’ve even used crescent roll dough in a pinch—it bakes up buttery and soft. 🥧

Cheesy Addition

Sprinkle ½ cup shredded cheddar or Gruyère over the filling before adding the crust. The cheese melts into the sauce, creating gooey pockets of flavor. Parmesan adds a salty sharpness that cuts through the creaminess.

Frequently Asked Questions