Deconstructed French Onion Soup Tartlet

Deconstructed French Onion Soup Tartlet

This tartlet recipe is essentially French onion soup on puff pastry, topped with Parmesan and mozzarella cheese.

Preparation Time
10 mins
Cooking Time
30 mins
Total Time
40 mins
Calories
590 Calories

Recipe Instructions

Step 1
Preheat oven to 400 degrees F (200 degrees C).
Step 2
Heat olive oil and butter together in a skillet over medium-high heat until the butter is melted, 2 to 3 minutes. Saute onion and garlic in the hot oil mixture until the onion begins to caramelize, 15 to 20 minutes.
Step 3
Pour white wine over the onion mixture; bring to a simmer and cook until fragrant, about 2 minutes. Add beef broth and thyme; cook until the liquid reduces in volume by half. Season the mixture with kosher salt and black pepper.
Step 4
Trim puff pastry and fit into a tart pan. Score a rim along the edge of the pastry. Puncture the center of the pastry with a fork. Spread the onion mixture over the pastry; top with Parmesan cheese and mozzarella cheese.
Step 5
Bake in preheated oven until the crust is golden brown, 15 to 20 minutes.

Ingredients

  • 2 tablespoons butter
  • 2 tablespoons olive oil
  • 1 cup shredded mozzarella cheese
  • 1 clove garlic, minced
  • ½ cup grated Parmesan cheese
  • ¼ teaspoon ground black pepper
  • 1 teaspoon dried thyme
  • ¼ cup white wine
  • ½ cup beef broth
  • 1 large white onion, sliced
  • ½ teaspoon kosher salt (such as Diamond Crystal®)
  • 1 sheet puff pastry

Categories

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