Ingredients
- 🥧 1 sheet puff pastry, thawed
- 🧈 2 tbsp butter
- 🫒 1 tbsp olive oil
- 🧅 2 large onions, thinly sliced
- 🍄 8 oz mushrooms, sliced
- 🧄 2 cloves garlic, minced
- 🌿 1 tsp fresh thyme
- 🧀 1 cup shredded Gruyère or Swiss cheese
- 🥚 1 egg, beaten (for egg wash)
- 🧂 Salt & black pepper, to taste
Instructions
- 🔥 Preheat oven to 400°F (200°C) and line a baking sheet with parchment paper.
- 🧈 Cook the onions in butter and olive oil over medium-low heat for 20 minutes until caramelized. Add mushrooms, garlic, and thyme; cook for 5 minutes.
- 🥧 Roll out the puff pastry, leaving a 1-inch border around the edges.
- 🧀 Sprinkle half the cheese over the pastry, then spread the onion and mushroom mixture on top. Finish with the remaining cheese.
- 🥚 Brush the pastry edges with the beaten egg.
- 🔥 Bake for 20–25 minutes, until the pastry is puffed and golden.
- 🌿 Slice and serve warm.
⏱️ Prep Time: 15 minutes
🍳 Cook Time: 45 minutes
🍽️ Yield: 6 servings
🔥 Calories: ~340 per serving