Creamy Brie and Mushroom Galette
A rustic puff pastry galette filled with earthy sautéed mushrooms and creamy brie cheese, perfect for a savory brunch or light dinner. This Thai recipe (vegetarian), ready in about 45 minutes, pairs puff pastry sheet, brie cheese, cremini mushrooms for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 400 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 1 sheet (9x9 inches), thawed puff pastry sheet
- 6 oz, sliced brie cheese
- 8 oz, sliced cremini mushrooms
- 1 small, finely chopped shallot
- 2 tbsp butter
- 1 tsp leaves fresh thyme
- 1/2 tsp salt
- 1/4 tsp black pepper
- 1, beaten for egg wash egg yolk
The sheet pan we’d roast this on → Best Sheet Pans in 2026: Top Picks + Buying Guide
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Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Preheat oven to 400°F. In a skillet, melt 2 tbsp butter over medium heat. Add 1 small finely chopped shallot and sauté for 2 minutes until translucent.
- Step 2: Add 8 oz sliced cremini mushrooms, 1 tsp fresh thyme leaves, 1/2 tsp salt, and 1/4 tsp black pepper. Cook for 6-8 minutes until mushrooms are browned and moisture evaporates. Remove from heat.
- Step 3: Roll out 1 sheet thawed puff pastry on a parchment-lined baking sheet. Arrange 6 oz sliced brie cheese in the center, leaving a 2-inch border.
- Step 4: Spoon the mushroom mixture evenly over the brie.
- Step 5: Fold the edges of the pastry up around the filling, pleating as needed to form a rustic edge.
- Step 6: Brush the exposed pastry edges with 1 beaten egg yolk for a golden finish.
- Step 7: Bake for 25-30 minutes until puff pastry is golden and crisp. Let cool for 5 minutes before slicing and serving.








