Why you'll love this recipe
- 30‑minute dinner that feels restaurant‑level
- Crowd‑pleaser with flaky pastry and creamy sauce
- Make‑ahead friendly for busy weeknights
- Kid‑approved thanks to mild mustard flavor
- Freezer‑friendly for meal‑prep enthusiasts
I first met this dish at my aunt’s Parisian‑inspired brunch, when the kitchen was filled with the scent of butter‑laden pastry and the clink of fine china. Watching the golden parcels emerge from the oven made me realize I could bring that restaurant feeling home. I tweaked the sauce until it sang, and the recipe has been a family favorite ever since.
The first time I served it at a friends‑only dinner, the room fell silent as the first bite was taken—crack, buttery puff, then the creamy mustard sauce melting over the chicken. That moment cemented the dish as my go‑to for impressing guests without spending hours in the kitchen.
The story
The oven hums as the puff pastry lifts, releasing a buttery, caramel‑gold fragrance that mingles with the sharp snap of mustard. A sizzle erupts when the seared chicken hits the hot pan, promising a juicy interior. One bite delivers crisp layers that melt into a velvety, tangy sauce.
I first discovered this dish at my aunt’s Parisian‑inspired brunch, when the kitchen was filled with the scent of butter‑laden pastry and the clink of fine china. Watching the golden parcels emerge from the oven made me realize I could bring that restaurant feeling home. I tweaked the sauce until it sang, and the recipe has been a family favorite ever since.
What sets this version apart is the double‑seal technique: after searing, the chicken is wrapped tightly in chilled puff pastry, then brushed with a quick egg wash for a glossy finish. The sauce incorporates both Dijon and whole‑grain mustard, giving depth without overwhelming heat. Together they create a balance of texture and flavor you rarely find in quick weeknight meals.
The palate experiences a savory, buttery crunch first, followed by the tender, juicy chicken core. The mustard‑cream sauce adds a tangy, slightly sweet umami that cuts through the richness, while thyme lends an earthy perfume. Each mouthful is a harmonious play of crisp, creamy, and aromatic notes.
Picture this on a rustic wooden board: two golden parcels beside a bright arugula salad, a loaf of crusty sourdough ready to soak up sauce, and a chilled glass of Chardonnay. It works as a dazzling centerpiece for a small dinner party or a comforting solo treat after a long day. The dish also holds up well for make‑ahead lunches.
Don’t let the puff pastry intimidate you; the sheet is already rolled and only needs a quick cut. The total hands‑on time is under 20 minutes, and the oven does the heavy lifting. With a few simple steps you’ll achieve a restaurant‑level result without a pastry chef’s apprenticeship.
I’ve baked this twice for my kids, and they devoured every flaky bite while begging for seconds. After testing variations with different mustards and herbs, I’m confident the technique is foolproof. So preheat that oven, and let’s get cooking!
Why This Recipe Works
- Searing the chicken first creates a flavorful crust and locks in juices.
- Wrapping in chilled puff pastry ensures steam creates lift for a flaky exterior.
- Gentle simmer of cream and mustard emulsifies into a stable, velvety sauce.
Ingredient notes & substitutions
Boneless, skinless chicken breasts
Provides lean protein and stays juicy when seared; choose plump breasts for even cooking.
Puff pastry
Creates a light, buttery crust that puffs up in the oven; use all‑butter sheets for best lift.
Heavy cream
Adds richness and helps the sauce thicken without curdling.
Dijon mustard
Gives sharp, tangy heat that balances the cream.
Fresh thyme leaves
Imparts an earthy aroma that brightens the sauce.
Butter
Provides a silky base for the sauce and helps brown the garlic.
Equipment you'll need
Ingredients
- 2 boneless, skinless chicken breasts
- Salt and pepper to taste
- 1 tablespoon olive oil
- 1 sheet puff pastry (thawed if frozen)
- 1 egg (beaten, for egg wash)
- 1 tablespoon butter
- 2 garlic cloves (minced)
- 1/2 cup chicken broth
- 1/2 cup heavy cream
- 2 tablespoons Dijon mustard
- 1 teaspoon whole grain mustard (optional)
- 1 teaspoon fresh thyme leaves or 1/2 teaspoon dried thyme
Before You Start
- Preheat oven to 400°F
- Line baking sheet with parchment paper
- Separate egg and beat for wash
- Mise en place all ingredients
Instructions
- 1Step 1
Preheat oven to 400°F (200°C) and line a baking sheet with parchment paper.
- 2Step 2
Season chicken breasts with salt and pepper. Sear in olive oil over medium heat until golden brown. Remove and let cool.
- 3Step 3
Roll out puff pastry, cut into rectangles. Wrap each chicken breast, seal edges, brush with egg wash, and bake for 25–30 minutes.
- 4Step 4
In a saucepan, melt butter, sauté garlic, add chicken broth, cream, mustards, and thyme. Simmer until thickened.
- 5Step 5
Drizzle mustard cream sauce over the chicken pastries and enjoy!
Pro tips
Pat chicken dry
Moisture on the surface prevents a good sear; blot with paper towels.
Preheat the oven fully
A hot oven creates steam that lifts the puff pastry quickly.
Seal pastry edges tightly
Press with a fork or your fingertips to avoid leaks during baking.
Brush egg wash quickly
A thin coat gives a glossy golden finish without sogging.
Simmer sauce gently
Low heat prevents the cream from splitting and keeps it velvety.
Rest wrapped chicken 5 minutes
Allows juices to redistribute, keeping the meat tender inside the pastry.
Use a sharp knife for pastry
Clean cuts keep the pastry from tearing and preserve its shape.
Variations to try
Spicy Cajun Twist
Add 1 tsp Cajun seasoning to the sauce and swap Dijon for whole‑grain mustard for extra bite.
Dairy‑Free Version
Replace butter with olive oil and heavy cream with coconut milk; the sauce stays creamy.
Individual Sliders
Cut the pastry into smaller squares and wrap bite‑size chicken pieces; perfect for parties.
Herb‑Infused
Stir in chopped parsley and a splash of white wine into the sauce for a fresh finish.
Serving Suggestions
Troubleshooting
Sauce separates
Remove from heat and whisk in a splash of cold cream slowly.
Pastry soggy
Bake on a preheated stone or pizza steel; avoid covering with foil.
Chicken undercooked
Use a meat thermometer; ensure internal temperature reaches 165°F before wrapping or add extra bake minutes.
Storage & make-ahead
Refrigerator
Cool to room temperature, then store in an airtight container; keep for up to 3 days.
Freezer
Freeze wrapped pastries on a tray, then bag; lasts 2 months. Thaw overnight in the fridge before reheating.
Best way to reheat
Reheat in a 350°F oven for 15‑20 minutes, uncovered, to re‑crisp the pastry and warm the sauce.
Make-ahead
Assemble the pastry‑wrapped chicken and sauce the day before; keep pastry refrigerated uncovered to avoid sogginess, bake just before serving.

Ingredients
- 2 boneless, skinless chicken breasts
- Salt and pepper to taste
- 1 tablespoon olive oil
- 1 sheet puff pastry (thawed if frozen)
- 1 egg (beaten, for egg wash)
- 1 tablespoon butter
- 2 garlic cloves (minced)
- 1/2 cup chicken broth
- 1/2 cup heavy cream
- 2 tablespoons Dijon mustard
- 1 teaspoon whole grain mustard (optional)
- 1 teaspoon fresh thyme leaves or 1/2 teaspoon dried thyme
Instructions
- 1Preheat oven to 400°F (200°C) and line a baking sheet with parchment paper.
- 2Season chicken breasts with salt and pepper. Sear in olive oil over medium heat until golden brown. Remove and let cool.
- 3Roll out puff pastry, cut into rectangles. Wrap each chicken breast, seal edges, brush with egg wash, and bake for 25–30 minutes.
- 4In a saucepan, melt butter, sauté garlic, add chicken broth, cream, mustards, and thyme. Simmer until thickened.
- 5Drizzle mustard cream sauce over the chicken pastries and enjoy!