Sweet & Savory Caramelized Onion Tart

Introduction

Indulge in the rich, sweet, and savory flavors of a caramelized onion tart. Perfect as an appetizer, side dish, or even a light main course, this tart combines buttery pastry with deeply caramelized onions and a hint of herbs. It’s elegant, yet surprisingly easy to make, and will impress guests or make any weeknight dinner feel special.

Ingredients

For the Tart:

1 sheet puff pastry (thawed if frozen)

3 large onions, thinly sliced

2 tablespoons olive oil

1 tablespoon butter

1 teaspoon sugar

Salt and freshly ground black pepper, to taste

1 teaspoon fresh thyme leaves (or ½ teaspoon dried)

½ cup grated Gruyère or Swiss cheese (optional)

1 egg, beaten (for egg wash)

How to Make