Caramelized Onion Tarts

1. 1

   Preheat the oven to 350u00b0F. Line 2 baking pans with parchment paper.

2. 2

   Heat butter and oil in a large skillet on medium heat. Saute onions 15-20 mins, stirring occasionally, until softened and lightly golden. Add vinegar and sugar. Cook, stirring, 4-5 mins until liquid evaporates and sugar caramelizes.

3. 3

   Place pastry sheets on prepared pans. Spread onions on each sheet, leaving 1/2-inch border. Top with pepperoni and feta.

4. 4

   Bake 20-25 mins, until pastry is crisp and golden.

5. 5

   To serve, cut each tart into quarters. Sprinkle with spinach and oregano leaves.

* Per serving · 4 servings · Values may vary.

No additional tips available.