Caramelized Onion and Goat Cheese Tartlets

Name: Caramelized Onion and Goat Cheese Tartlets
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Yield: 12 tartlets
Ingredients: 1 sheet of puff pastry, thawed; 2 large onions, thinly sliced; 2 tablespoons olive oil; 1 tablespoon balsamic vinegar; 4 ounces goat cheese, crumbled; 1 teaspoon fresh thyme, chopped; Salt and pepper to taste; 1 egg, beaten (for egg wash)

Highlighted under: Baking & Desserts

I love making Caramelized Onion and Goat Cheese Tartlets for special occasions and gatherings. The combination of sweet, caramelized onions and tangy goat cheese creates a delightful balance of flavors that everyone enjoys. These tartlets are surprisingly simple to prepare, allowing me to enjoy the bonus of having homemade appetizers without endless hours in the kitchen. Plus, baking them fills the house with an irresistible aroma that draws friends and family in, making it a guaranteed hit at any event.

Created by

Emily

Last updated on 2026-01-17T14:30:28.034Z

When I first crafted these tartlets, I wanted to create something that would elevate a simple gathering into a gourmet experience. The secret lies in slowly caramelizing the onions to draw out their natural sweetness, which beautifully complements the richness of the goat cheese. I often use a splash of balsamic vinegar at the end for extra depth of flavor; it really ties everything together.

Over time, I've learned that allowing your tartlet dough to chill properly helps achieve that perfect flaky texture. Using pre-made pastry can cut down on prep time but still yield impressive results. These tartlets are not just tasty; they leave a lasting impression on anyone who tries them!

        Why You'll Love These Tartlets
        Perfect blend of sweet and savory flavors
Easy to prepare yet impressive to serve
Great for parties or a cozy night in

      

Understanding Ingredients

The choice of onions significantly impacts the flavor profile of your tartlets. Sweet onions, such as Vidalia, caramelize beautifully, resulting in a rich, sweet layer that complements the tangy goat cheese. When selecting your cheese, opt for a fresh goat cheese for a creamy texture that melts and spreads in the tartlet, adding depth to the dish. If you're looking to experiment, try a herbed goat cheese for added flavor complexity.

Using high-quality olive oil is essential when caramelizing onions. It not only enhances the flavor but also helps achieve a consistent caramelization. Avoid using extra virgin olive oil at high temperatures; instead, an organic or light olive oil may be better suited for cooking to prevent the oil from burning and imparting a bitter taste.

Technique Tips for Perfect Caramelization

Caramelizing onions requires patience and attention to heat levels. Start with medium heat; too high can scorch the onions, while too low may cause them to steam rather than caramelize. Stir the onions every 5-7 minutes, allowing the natural sugars to release and develop into that beautiful golden brown color. You'll know they’re done when they smell sweet and are soft with a glossy finish, usually taking about 20-25 minutes.

If you're short on time, you can speed up the process slightly by adding a pinch of sugar when you start cooking the onions; this helps encourage caramelization. However, be cautious—too much sugar can lead to burnt onions. If your onions start to stick, deglaze the pan with a splash of balsamic vinegar early, which not only adds flavor but also helps lift the fond from the pan.

Make-Ahead and Serving Suggestions

You can prepare the caramelized onions up to three days in advance. Store them in an airtight container in the refrigerator, which not only saves time but also allows the flavors to develop even further. When you're ready to assemble the tartlets, simply reheat the onions gently before spooning them into the pastry shells. This step ensures they remain fresh, warm, and full of flavor.

For a fun twist, consider adding toppings like chopped walnuts or dried cranberries for additional texture and sweetness. Serving these tartlets warm will maximize both the aroma and the creamy goat cheese texture. They pair wonderfully with a light salad or as a component of a larger charcuterie board.

Ingredients

Gather these ingredients to prepare your Caramelized Onion and Goat Cheese Tartlets:

Ingredients

1 sheet of puff pastry, thawed
2 large onions, thinly sliced
2 tablespoons olive oil
1 tablespoon balsamic vinegar
4 ounces goat cheese, crumbled
1 teaspoon fresh thyme, chopped
Salt and pepper to taste
1 egg, beaten (for egg wash)

With these ingredients ready, we can get started on the tartlets!

Instructions

Follow these steps to create your delicious tartlets:

Caramelize the Onions

In a large skillet, heat olive oil over medium heat. Add the sliced onions and season with salt and pepper. Cook, stirring occasionally, for about 20-25 minutes until they are soft and golden brown.

Stir in the balsamic vinegar and cook for an additional 2 minutes. Remove from heat and let cool slightly.

Prepare the Pastry

Preheat your oven to 400°F (200°C). On a lightly floured surface, roll out the puff pastry and cut it into 3-inch squares. Place the squares into a greased mini muffin tin.

Assemble the Tartlets

In each pastry square, add a spoonful of the caramelized onions, followed by crumbled goat cheese and a sprinkle of fresh thyme. Brush the edges with the beaten egg for a shiny finish.

Bake

Bake in the preheated oven for 15-20 minutes, or until the pastry is golden and puffed. Let them cool slightly before serving.

Serve warm and enjoy your Caramelized Onion and Goat Cheese Tartlets with family and friends!

Pro Tips

For a variation, try adding a layer of spinach or arugula before the onions for a touch of green and added flavor.

Variations and Dietary Swaps

For those with dairy sensitivities, you can substitute the goat cheese with a dairy-free cream cheese alternative. Additionally, try using puff pastry made from whole grains or gluten-free options, which are widely available. These swaps maintain the flaky, delightful texture while accommodating dietary needs.

If you're feeling creative, experiment with other toppings! Replace goat cheese with feta or blue cheese for a different tangy flavor, or add sautéed mushrooms or spinach for a heartier filling. These variations keep your appetizers interesting and can cater to various palate preferences.

Storage and Reheating Tips

These tartlets can be made a day in advance and stored in the refrigerator. To maintain their flakiness, place them in a single layer in an airtight container. When you’re ready to serve, reheat them in a 350°F (175°C) oven for about 10 minutes, until warmed through and crisp again. Avoid the microwave, as it can make the pastry soggy.

If you're looking to freeze these delightful tartlets, assemble them but do not bake. Place the unbaked tartlet trays in the freezer for a few hours, then transfer them to a freezer-safe bag. They can be baked from frozen; just add a few extra minutes to the baking time for a freshly baked treat anytime!

Questions About Recipes

→ Can I use other types of cheese?

Absolutely! Feta or cream cheese can also work well in this recipe.

→ How do I store leftovers?

Store leftovers in an airtight container in the refrigerator for up to 2 days. Reheat in the oven before serving.

→ Can I make these in advance?

Yes, you can prepare the tartlets ahead of time and refrigerate them before baking. Just add a few extra minutes to the baking time if they're cold from the fridge.

→ What can I serve with these tartlets?

These tartlets pair beautifully with a light salad or a selection of dips and spreads for a larger appetizer spread.