When Thanksgiving calls for something savory and a little special, I love serving this mushroom and Gruyère puff pastry braid. It bakes up golden and flaky, with a rich mushroom filling that makes a lovely centerpiece for the holiday table.
Why You’ll Love This Braid
This braid looks impressive but comes together with store-bought puff pastry and a simple skillet filling. Gruyère melts into the earthy mushrooms, while thyme and Dijon add plenty of flavor without making the dish feel heavy. Serve it as a vegetarian main or slice it into smaller portions for a Thanksgiving side.
This Braid Ingredients & Substitutions
- 1 sheet frozen puff pastry, thawed according to package directions
- 2 tablespoons unsalted butter
- 1 pound cremini mushrooms, finely chopped
- 1 small shallot, finely chopped
- 2 garlic cloves, minced
- 1 teaspoon fresh thyme leaves, or 1/2 teaspoon dried thyme
- 1/2 teaspoon fine salt, plus more to taste
- 1/4 teaspoon freshly ground black pepper
- 1 teaspoon Dijon mustard
- 1 tablespoon all-purpose flour
- 1 cup shredded Gruyère cheese
- 1 large egg, beaten with 1 teaspoon water, for egg wash
- 1 tablespoon chopped fresh parsley, optional
Cremini mushrooms bring a deep, savory flavor, but white button mushrooms work well too. Swiss cheese can stand in for Gruyère, and chopped chives or rosemary can replace the thyme. If your pastry sheet is a different size, adjust the filling so you can still fold the pastry strips over the center.
Step-by-Step Instructions to Make This Braid
1. Prepare the oven and pastry
Heat the oven to 400°F (200°C). Line a baking sheet with parchment paper. Unfold the thawed puff pastry on a lightly floured surface and gently roll it into a rectangle about 10 by 14 inches. Transfer it to the prepared baking sheet.
2. Cook the mushroom filling
Melt the butter in a large skillet over medium heat. Add the mushrooms and cook for 8 to 10 minutes, stirring occasionally, until their liquid has evaporated and they are lightly browned. Stir in the shallot, garlic, thyme, salt, and pepper. Cook for 2 minutes, then mix in the Dijon and flour. Cook for 1 minute more. Spread the filling on a plate and let it cool until just warm.
3. Fill and braid the pastry
Spread the mushroom mixture down the center third of the pastry, leaving a border at both ends. Sprinkle the Gruyère evenly over the filling. With a sharp knife, cut diagonal strips about 1 inch wide along both sides of the filling. Fold the top and bottom ends over the filling, then alternate the pastry strips across the center to create a braid. Tuck the last strips underneath.
4. Brush and bake
Brush the pastry with egg wash. Bake for 25 to 30 minutes, until puffed and deep golden brown. Let it rest for 10 minutes before slicing, then finish with parsley if you like.
Tips for Success
- Cook the mushrooms until their liquid is gone. A dry filling helps keep the pastry crisp.
- Let the filling cool before adding it to the pastry so the butter in the dough stays cold.
- Keep the pastry chilled while you work. If it becomes soft or sticky, refrigerate it for 10 minutes before baking.
- Cut even strips and do not overfill the center, so the braid folds neatly and bakes through.
- Check the underside before serving. It should look baked and golden, not pale or doughy.
Variations of This Braid
Add a handful of baby spinach to the skillet after the mushrooms are browned, and cook until wilted. For extra texture, stir in chopped toasted walnuts once the filling has cooled. You can also add a little grated Parmesan with the Gruyère or use Swiss cheese for a milder flavor. Keep any added ingredients modest so the pastry can close easily.
Serving Suggestions: What to Pair with This Braid
For Thanksgiving dinner, serve generous slices beside roasted vegetables, a crisp green salad, or mashed potatoes. A spoonful of cranberry sauce adds a bright, tart contrast to the rich filling. For a lighter meal, pair the braid with a simple salad dressed with lemon and olive oil.
Storage & Reheating Instructions
Cool leftovers completely, then store them in an airtight container in the refrigerator for up to 3 days. Reheat slices on a baking sheet at 350°F (175°C) for 8 to 12 minutes, until warmed through and crisp. The microwave works for a quick reheat, though the pastry will be softer. You can prepare the mushroom filling a day ahead and refrigerate it; assemble the braid shortly before baking.
Memories Made Around the Table
I love how a warm pastry braid gives everyone something to gather around while the rest of the holiday meal comes together. The flaky edges are easy to pull apart, and each slice brings a bit of savory filling to the table. For a relaxed Thanksgiving spread, I set it out while guests are settling in and let everyone serve themselves.
FAQs
Can I make the mushroom filling ahead?
Yes. Cook the filling up to a day ahead, cool it completely, and keep it covered in the refrigerator. Bring it close to room temperature before assembling the braid.
Can I assemble the braid in advance?
You can assemble it a few hours ahead and keep it covered in the refrigerator. Brush with egg wash just before baking. For the flakiest result, bake it the same day you assemble it.
How do I know when the braid is done?
The pastry should be puffed and evenly golden, including along the sides and underneath. If the top browns quickly, loosely cover it with foil for the remaining bake time.
Can I freeze leftovers?
Yes. Wrap cooled slices individually and freeze them for up to 2 months. Thaw in the refrigerator, then reheat in the oven until hot and crisp.
Final Thoughts
This mushroom and Gruyère puff pastry braid brings savory flavor and a golden, flaky finish to a Thanksgiving meal. With a make-ahead filling and a straightforward braid, it is an easy way to add something memorable to the table.
Mushroom Gruyère Braid
Equipment
- 1 Baking Sheet
- 1 Large Skillet
- 1 Parchment Paper
- 1 Sharp knife
Ingredients
- 1 sheet frozen puff pastry thawed according to package directions
- 2 tablespoons unsalted butter
- 1 pound cremini mushrooms finely chopped
- 1 small shallot finely chopped
- 2 cloves garlic minced
- 1 teaspoon fresh thyme leaves or 1/2 teaspoon dried thyme
- 0.5 teaspoon fine salt plus more to taste
- 0.25 teaspoon freshly ground black pepper
- 1 teaspoon Dijon mustard
- 1 tablespoon all-purpose flour
- 1 cup shredded Gruyère cheese
- 1 large egg beaten with 1 teaspoon water, for egg wash
- 1 tablespoon chopped fresh parsley optional
Instructions
- Heat the oven to 400°F (200°C). Line a baking sheet with parchment paper. Unfold the thawed puff pastry on a lightly floured surface and gently roll it into a rectangle about 10 by 14 inches. Transfer it to the prepared baking sheet.
- Melt the butter in a large skillet over medium heat. Add the mushrooms and cook for 8 to 10 minutes, stirring occasionally, until their liquid has evaporated and they are lightly browned. Stir in the shallot, garlic, thyme, salt, and pepper. Cook for 2 minutes, then mix in the Dijon and flour. Cook for 1 minute more. Spread the filling on a plate and let it cool until just warm.
- Spread the mushroom mixture down the center third of the pastry, leaving a border at both ends. Sprinkle the Gruyère evenly over the filling. With a sharp knife, cut diagonal strips about 1 inch wide along both sides of the filling. Fold the top and bottom ends over the filling, then alternate the pastry strips across the center to create a braid. Tuck the last strips underneath.
- Brush the pastry with egg wash. Bake for 25 to 30 minutes, until puffed and deep golden brown. Let it rest for 10 minutes before slicing, then finish with parsley if you like.