Caramelized Onion Goat Cheese Tarts bring classic French bistro flavors into an easy, elegant appetizer that feels both cozy and refined. Flaky puff pastry forms a buttery base, while creamy goat cheese is spread directly onto each tart, creating a rich foundation for sweet, deeply caramelized onions. Meanwhile, fresh thyme and black pepper balance the flavors, ensuring every bite feels layered and satisfying.
Although onion tarts are often associated with French cafés, similar savory pastries have appeared across Europe for centuries. Traditionally, they were baked with soft cheeses and slow-cooked onions, making them comforting yet surprisingly refined. This modern version keeps that timeless appeal while fitting effortlessly into casual entertaining or special gatherings.
Served warm, these tarts are perfect as an appetizer, brunch addition, or wine-night bite. They feel impressive without being fussy and deliver bold flavor using simple ingredients. Whether you’re hosting guests or treating yourself, these tarts offer a beautiful balance of crisp pastry, creamy cheese, and caramelized sweetness.
Recipe Yield: 6 individual tarts
INGREDIENTS
1 sheet puff pastry, thawed
4 oz goat cheese, softened
¼ cup heavy cream
2 large yellow onions, thinly sliced
1 tsp fresh thyme leaves
½ tsp salt
¼ tsp black pepper
2 Tbsp olive oil
1 Tbsp unsalted butter
1 large egg
1 Tbsp honey
1 Tbsp balsamic vinegar
INSTRUCTIONS
1. Preheat and prepare:
Preheat oven to 400°F (200°C). Line a baking sheet with parchment paper and set aside.
2. Caramelize the onions:
Meanwhile, heat olive oil and butter in a wide skillet over medium heat. Add onions and salt. Cook, stirring often, until deeply golden and soft, about 20–25 minutes. Add thyme, black pepper, honey, and balsamic vinegar. Stir well, then remove from heat.
3. Prepare the pastry:
Next, roll puff pastry slightly on a floured surface. Cut into 6 equal squares. Transfer to the prepared baking sheet. Score a ½-inch border around each square without cutting through.
4. Mix the filling:
In a bowl, whisk goat cheese, heavy cream, and egg until smooth and creamy.
5. Assemble the tarts:
Then, spoon goat cheese mixture inside the scored borders. Top evenly with caramelized onions.
6. Bake to perfection:
Bake for 18–22 minutes, until pastry is puffed and golden. Cool slightly before serving.
Helpful Tips to Perfect This Recipe
- Slow caramelization matters: Allow the onions to cook slowly for rich sweetness and deep flavor without burning.
- Keep pastry cold: Cold puff pastry puffs higher and bakes flakier, so work quickly.
- Balance the tang: If goat cheese tastes sharp, add an extra teaspoon of honey for balance.
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