French Onion Tart

A tender pastry crust topped with sweet roasted onions and just a hint of herbs make this French onion tart a party favorite. 

INGREDIENTS

• About a pound of white pearl onions
• Puff pastry dough
• Della Terra Extra Virgin Olive Oil
• Della Terra Balsamic Vinegar
• Fresh thyme
• Grated Parmesan cheese
• Salt & Pepper
• Egg wash  (1 egg mixed with 1 tbsp of water) 

PREPARATION

1. Preheat oven to 400°F.
2. On a sheet pan, drizzle olive oil, balsamic vinegar, thyme, Parmesan, salt, and pepper.
3. Slice and place white pearl onions on top.
4. Cover with a rectangle cut of puff pastry dough and press down on all sides. It should look like a pop tart. Then brush with egg wash.
5. Place in the oven until golden brown, roughly 20 minutes.
6. Flip tart over and serve with whatever garnishes you'd like.