Onion & Goat Cheese Tart

By Lily | Last modified on Mar 17, 2026

Featured in:

Onion & Goat Cheese Tart (Tarte aux Oignons et Chèvre)

Experience the delightful harmony of this classic French Onion & Goat Cheese Tart, where sweet caramelized onions meet tangy goat cheese, nestled on a buttery homemade crust. This savory tart balances rich textures with the earthy crunch of walnuts and the subtle herbal aroma of thyme, making it an irresistible choice for lunch, dinner, or an elegant appetizer.

Perfectly paired with a light green salad or enjoyed on its own, this tart brings a touch of rustic French charm to your table. The combination of ingredients creates a warm, comforting dish that’s both satisfying and simple to prepare, ideal for impressing guests or treating yourself.

Why You’ll Love This Recipe

  • The perfect balance of sweet caramelized onions and creamy goat cheese creates rich, comforting flavors.
  • Crunchy walnuts and aromatic thyme add texture and herbal depth.
  • Versatile for lunch, dinner, or as a sophisticated appetizer.
  • Simple homemade dough adds a buttery, delicate base enhancing the overall taste.

Ingredients

  • Goat cheese log (100 g): Provides creamy, tangy richness that melts beautifully atop the tart.
  • Onions (4, thinly sliced): Slowly caramelized to bring out their natural sweetness and depth.
  • Walnut halves (10, roughly chopped): Adds a satisfying crunch and earthy flavor contrast.
  • Dried duck breast slices (a few): Offers a smoky, savory layer complementing the cheese (optional).
  • Fresh thyme (to taste): Fresh herb that infuses the dish with aromatic earthiness.
  • White wine (10 cl): Deglazes the onions, enhancing their flavor with subtle acidity.
  • Salt & black pepper (to taste): Essential seasonings to balance and enhance all ingredients.
  • Milk (60 g): Moistens the dough, helping create a tender pastry base.
  • Liquid cream (60 g): Adds richness and elasticity to the dough.
  • Flour (200 g): Forms the structure of the tart crust, providing a crisp bite.
  • Pinch of salt: Enhances the dough’s flavor allowing a balanced base.

Instructions

Prepare the Dough

Combine the flour and a pinch of salt in a bowl to distribute seasoning evenly. Gradually add the milk and cream, mixing until a soft dough forms. Knead briefly on a lightly floured surface until smooth and elastic to ensure a tender but sturdy crust. Wrap the dough and let it rest for 15–20 minutes; resting relaxes the gluten for better rolling and flakiness during baking.

Cook the Onions

Heat a small amount of oil or butter in a medium pan over medium heat. Add the thinly sliced onions and cook slowly, stirring occasionally, until they become soft and develop a golden caramel color, about 15–20 minutes. This slow caramelization brings out natural sugars, resulting in rich sweetness and complex flavor. Pour in the white wine, allowing it to reduce completely, then season with salt, black pepper, and a sprinkle of fresh thyme to deepen herbal notes.

Preheat the Oven

Set your oven to 375°F (190°C) to ensure it reaches the optimal temperature by the time your tart is assembled. A properly preheated oven helps bake the crust evenly, providing the perfect golden-brown finish.

Assemble the Tart

Roll out the rested dough on a floured surface to fit your tart pan, then gently press it into place, trimming any excess. Evenly spread the caramelized onions over the dough base, creating a flavorful foundation. Layer slices of creamy goat cheese on top to melt slightly during baking, then sprinkle chopped walnuts for crunch. Finally, scatter pieces of dried duck breast across, adding smoky, savory bursts.

Bake the Tart

Place the tart in the preheated oven and bake for 30–35 minutes. The crust should turn golden and crisp, while the goat cheese softens and melds with the onions beneath. Keep an eye to prevent overbrowning, ensuring a perfect texture balance between creamy filling and crispy base.

Serve

After removing from the oven, allow the tart to cool slightly for about 10 minutes. This resting time helps the filling set for clean slicing while still warm enough to enjoy the rich flavors. Serve as is or paired with a crisp green salad for a complete, sophisticated meal experience.

You Must Know

  • You can replace dried duck breast with crispy bacon or omit for a vegetarian tart option.
  • For a sweet-savory twist, drizzle a little honey over the tart just before serving.
  • Using fresh thyme instead of dried enhances herbal freshness and aroma.

Storage Tips

Store any leftovers wrapped in foil or an airtight container in the refrigerator for up to 3 days. Reheat gently in a low oven to preserve crust crispness and warm the filling evenly.

Serving Suggestions

This tart pairs beautifully with a crisp green salad dressed in a light vinaigrette or a glass of chilled white wine to complement the savory and tangy flavors. Ideal served slightly warm or at room temperature for maximum enjoyment.

Professional Tips

  • Ensure slow caramelization of onions over low heat to avoid burning and achieve deep sweetness.
  • Resting the dough prevents shrinkage and improves rolling for a consistent pastry thickness.
  • Use a tart pan with removable bottom for easy slicing and serving.

FAQs

Can I make the dough ahead of time?

Yes, the dough can be prepared a day in advance, wrapped tightly in plastic wrap, and refrigerated until ready to use.

What can I substitute for dried duck breast?

Crispy bacon, pancetta, or even sun-dried tomatoes offer alternative flavor layers; omit for vegetarian options.

Can I use store-bought pastry dough?

Absolutely—using pre-made shortcrust or puff pastry speeds up preparation while still delivering delicious results.

Is this tart suitable for freezing?

You can freeze the fully baked tart wrapped securely for up to one month. Reheat in the oven to restore texture.

What wine pairs well with this tart?

A dry white wine like Sauvignon Blanc or a light red such as Pinot Noir complements the tart’s flavors beautifully.

Can I add other nuts?

Yes, toasted pecans or pine nuts also work well, adding different textures and nutty flavors.

How do I ensure the crust stays crisp?

Blind baking the crust for 5–7 minutes before adding filling can prevent sogginess and ensure a crisp base.

Onion & Goat Cheese Tart (Tarte aux Oignons et Chèvre)

Onion Goat Cheese Tart

A savory French tart combining sweet caramelized onions, creamy goat cheese, crunchy walnuts, and dried duck with a hint of thyme, perfect for lunch or a light dinner.
Prep Time 25 minutes
Cook Time 35 minutes
Total Time 1 hour
Course Appetizer, lunch
Cuisine French
Servings 4 people
Calories 350 kcal

Equipment

  • 1 mixing bowl for dough
  • 1 pan for cooking onions
  • 1 oven preheated to 375°F (190°C)
  • 1 tart pan for assembling tart

Ingredients
  

  • 100 g goat cheese log chèvre, sliced
  • 4 onions thinly sliced
  • 10 walnut halves roughly chopped
  • A few slices dried duck breast magret de canard séché
  • Thyme to taste
  • 10 cl white wine
  • Salt and black pepper to taste
  • 60 g milk
  • 60 g liquid cream
  • 200 g flour
  • Pinch of salt

Instructions
 

  • In a bowl, combine flour and salt, then add milk and cream; mix until dough forms.
  • Knead dough briefly until smooth, wrap, and let rest for 15 to 20 minutes.
  • Cook the sliced onions in a pan with oil or butter over medium heat until soft and lightly caramelized, about 15 to 20 minutes.
  • Add white wine to the onions and cook until it evaporates, then season with salt, pepper, and thyme.
  • Preheat the oven to 375°F (190°C).
  • Roll out the dough and place it in a tart pan, spreading the caramelized onions evenly over the base.
  • Top with slices of goat cheese, sprinkle with walnuts, and add pieces of dried duck breast.
  • Bake the tart for 30 to 35 minutes until the crust is golden and cheese is slightly melted.
  • Let the tart cool slightly before slicing, then serve warm or at room temperature.

Notes

  • Substitute dried duck with bacon or omit for a vegetarian tart.
  • Drizzle honey over the tart for a sweet-savory twist.
  • Pair with a green salad for a complete meal.

You might also like these recipes

Leave a Comment

Recipe Rating