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Tomato Basil Tartlets

Servings 8 servings
Prep Time 10 minutes

Ingredients

  • 2 tablespoons L&B Extra Virgin Olive Oil divided
  • 2 yellow onions thinly sliced
  • Kosher salt
  • Freshly ground black pepper to taste
  • 2 garlic cloves grated
  • 2 teaspoons fresh thyme leaves
  • 2 tablespoons balsamic vinegar
  • 2 large heirloom tomatoes sliced ¼-inch thick
  • 1 pinch crushed red pepper flakes
  • 2 sheets frozen puff pastry thawed
  • All-purpose flour for dusting
  • ¾ cup shredded sharp cheddar cheese
  • ¾ cup shredded Havarti cheese
  • 1 egg beaten
  • 1 teaspoon dried oregano
  • 1 teaspoon dried minced garlic
  • ¼ cup fresh basil thinly sliced

Instructions

  1. Heat 1 tablespoon olive oil in a large skillet over medium heat. Add the onions and cook, stirring occasionally until softened, 5 minutes. Season with salt and pepper and continue to cook until the onions are golden and caramelized, 35 to 40 minutes. Add the garlic and thyme and cook until fragrant, 30 seconds. Remove from the heat.

  2. Heat the oven to 425 F. Line 2 baking sheets with parchment paper.

  3. In a large bowl, combine the remaining 1 tablespoon olive oil, balsamic vinegar, tomato slices, crushed red pepper, and a pinch each of salt and pepper. Gently toss to coat the tomatoes.

  4. Transfer the puff pastry sheets to a lightly floured surface and gently roll each of them into a square that is 12 inches by 12 inches. Using a cookie cutter or paring knife, cut each sheet into rounds about 1 inch wider than the tomato slices. Place the rounds on the prepared baking sheets. 

  5. Evenly top each round with the caramelized onions, leaving a ½-inch border. Toss the cheeses together in a small bowl and sprinkle about 2 tablespoons over the onions. Layer a tomato slice on, pressing it into the cheese to adhere slightly. 

  6. Fold the edges of the pastry inward to enclose the edges of the tomatoes. Brush the edges of the pastry with beaten egg and sprinkle with the oregano, minced garlic, and a pinch of salt. 

  7. Transfer the tartlets to the oven and bake for 5 minutes. Reduce the oven temp to 400 F and bake for 20 to 25 minutes more or until the pastry is golden brown. Sprinkle with the sliced basil and serve warm.

  8. Recipe adapted from Half Baked Harvest