Savory Mushroom & Grain Puff Pastry Tart (Full Recipe)

Yield
Total Time
- Prep: 25 minutes
- Cook: 30 minutes
Ingredients
Pastry Base
- 1 sheet puff pastry (thawed)
- 1 egg (for egg wash)
Filling
- 200g mushrooms (sliced)
- 1 cup cooked grains (barley / quinoa / rice)
- 1 small onion (finely chopped)
- 2 cloves garlic (minced)
- 2 tbsp butter or olive oil
- Salt & black pepper
Flavor Boost
- 1 tbsp soy sauce or balsamic vinegar
- 1 tsp thyme (fresh or dried)
- 2 tbsp grated cheese (optional)
Garnish
- Microgreens or fresh herbs
- Olive oil drizzle
Instructions

Step 1: Prepare the Pastry
- Preheat oven to 200°C (400°F)
- Cut pastry into a round shape
- Score a border (don’t cut through)
👉 This helps it puff nicely around the edges
- Brush edges with egg wash
Step 2: Cook the Filling
- Heat butter/oil in pan
- Sauté onion until soft
- Add garlic + mushrooms → cook until browned
👉 Let moisture evaporate for deeper flavor
- Add cooked grains
- Season with salt, pepper, thyme
- Add soy sauce or balsamic
Step 3: Assemble
- Spoon filling into center (inside border)
- Sprinkle cheese if using
Step 4: Bake
- Bake 20–25 minutes until golden and crispy
Step 5: Finish
- Top with fresh herbs/microgreens
- Drizzle olive oil
Flavor Profile
- Buttery, flaky pastry
- Savory umami mushrooms
- Nutty grains texture
- Fresh herbal finish
Pro Tips
- Don’t overload filling → keeps pastry crisp
- Pre-cook mushrooms well (no soggy tart)
- Chill pastry briefly before baking for better rise
Variations
- Add cream → make it richer
- Add spinach or kale
- Swap grains → lentils for more protein