Mushroom Puff Pastry

Mushroom puff pastry is the easiest and most delicious holiday appetizer! These pastries are easy to prep ahead and everyone loves them.

📝 Ingredients

• 1/4 cup dried sweetened cranberries (45 g)
• 4 Tablespoons salted butter (divided)
• 8 ounces crimini mushrooms (sliced)
• 2 medium yellow onions (sliced)
• 2 medium cloves garlic (diced)
• 3/4 teaspoon fresh thyme leaves
• 15 sage leaves (sliced)
• 1/4 teaspoon fine sea salt
• Pepper (to taste)
• 1 cup shredded manchego or gruyere (90 g)
• 1 package puff pastry (thawed, 1 pound)
• 1 egg (beaten)

👨‍🍳 Instructions

1. 1Pour boiling water over the cranberries in a...: Pour boiling water over the cranberries in a heat safe bowl, and set to the side to soak for 15 minutes. After 15 minutes drain the water.
2. 2Heat a large cast iron or stainless steel...: Heat a large cast iron or stainless steel skillet over medium heat. Add 1 Tablespoon of butter and swirl to coat the pan. Add the mushrooms and saute until cooked, or about 5 minutes. Remove the mushrooms from the pan and set aside.
3. 3Return the pan to the stove and turn...: Return the pan to the stove and turn the temperature to medium-low. Add the remaining 3 Tablespoons of butter, melt, and swirl to coat the pan. Add the onions, garlic, thyme, sage, salt, and pepper. Stir to mix. Saute for about 25 minutes, or until the onions are caramelized. Be sure to check the onions every 5 minutes or so and turn down the temperature if they start cooking too quickly.
4. 4Turn the heat off and mix the drained...: Turn the heat off and mix the drained cranberries and sauteed mushrooms into the onion mixture. Let this mixture come to room temperature before making the puff pastry bites.
5. 5Once the mushroom mixture has reached room temperature,...: Once the mushroom mixture has reached room temperature, mix in the shredded cheese.
6. 6Position one oven rack in the upper third...: Position one oven rack in the upper third of the oven and the other in the bottom third of the oven. Preheat the oven to 400 F (204 C) and line two baking sheets with parchment paper or silicone baking mats.
7. 7Cut the thawed (but still cold) puff pastry...: Cut the thawed (but still cold) puff pastry into 2” squares. Place the squares on the baking sheets and use a pastry brush to brush the pastry dough with the egg wash. Top the center of each square with roughly 1 Tablespoon of filling.
8. 8Bake for 20 - 22 minutes, or until...: Bake for 20 - 22 minutes, or until golden brown, rotating the baking sheets after 10 minutes.
9. 9Serve warm after cooling for a few minutes.