Balsamic Caramelized Onion and Gorgonzola Tarts

Name: Balsamic Caramelized Onion and Gorgonzola Tarts
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: European, Mediterranean
Ingredients: 2 tablespoons unsalted butter; 1 tablespoon extra virgin olive oil; 2 large yellow onions ((about 1¾ lbs / 800 g), sliced ¼-inch thick); 2 tablespoons balsamic vinegar; 2 teaspoons granulated sugar; ½ teaspoon kosher salt; ½ teaspoon freshly ground black pepper; 2 small fresh thyme sprigs ((or 1 teaspoon fresh thyme leaves or ½ teaspoon dried thyme)); 4 ounces Gorgonzola cheese or blue cheese, (divided (3 ounces for the filling; 1 ounce cut into small pieces for topping)); 2 ounces cream cheese, (softened); 1 package frozen puff pastry ((2 sheets), thawed but still cold); 1 large egg; 1 teaspoon water; Fresh thyme leaves, (for garnish)

Instructions

Prep:20minCook:50min

Flaky puff pastry tarts layered with creamy Gorgonzola, jammy balsamic caramelized onions, and fresh thyme. An easy yet decadent appetizer for fall entertaining, holiday parties, wine night, and more.

Updated at: Wed, 14 Oct 2026 21:44:48 GMT