Easy Chicken Wellington Casserole Recipe (4 Ingredients)
Classic Chicken Wellington Casserole – A Comfort Food Family Favorite
If you’re looking for an easy chicken casserole recipe that combines creamy comfort food flavors with a flaky golden topping, this Chicken Wellington Casserole is the perfect choice. Made with just four simple ingredients, this old-fashioned chicken bake transforms everyday pantry staples into a hearty family dinner that’s perfect for busy weeknights, Sunday suppers, or holiday gatherings.
Featuring tender chicken, creamy chicken soup, milk, and buttery puff pastry, this easy baked chicken casserole delivers all the flavors of traditional Chicken Wellington without the complicated preparation. It’s a budget-friendly comfort food recipe that your family will request again and again.
Why You’ll Love This Chicken Wellington Casserole
Only 4 main ingredients
Easy one-pan family dinner
Rich, creamy, and comforting
Golden flaky puff pastry topping
Perfect for meal prep and leftovers
Great for holidays, Father’s Day, and family gatherings
Ingredients
1½ pounds boneless skinless chicken breasts, cut into bite-sized pieces
2 cans (10.5 ounces each) cream of chicken soup
1 cup whole milk or 2% milk
1 sheet frozen puff pastry, thawed
Optional:
½ teaspoon salt
½ teaspoon black pepper
1 teaspoon dried parsley or mixed herbs
Instructions
Step 1: Prepare the Oven
Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
Step 2: Make the Creamy Sauce
In a mixing bowl, whisk together the cream of chicken soup and milk until smooth. Season with salt and pepper if desired.
Step 3: Assemble the Casserole
Spread the chicken pieces evenly in the baking dish. Pour the creamy soup mixture over the chicken and gently stir to coat.
Step 4: Add the Puff Pastry
Unfold the thawed puff pastry and cut it into strips. Arrange the strips across the top of the casserole in a lattice or crisscross pattern.
Sprinkle with dried parsley or herbs if using.
Step 5: Bake
Bake for 35 to 45 minutes or until the puff pastry is golden brown and the chicken reaches an internal temperature of 165°F (74°C).
If the pastry browns too quickly, loosely cover with foil during the final 10 minutes of baking.
Step 6: Rest and Serve
Allow the casserole to rest for 5 to 10 minutes before serving. This helps the creamy sauce thicken and makes serving easier.
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