Savory Caramelized Onion Galette

Highlighted under: Cozy Comfort Recipes

I absolutely adore making this Savory Caramelized Onion Galette! It’s the perfect combination of buttery crust and sweet, caramelized onions, topped with creamy cheese. Every time I prepare this dish, the warm, comforting aroma fills my kitchen, making it irresistible. This galette serves not only as a delightful appetizer but also shines as a main course paired with a fresh salad. It’s simple to make, yet impressively gourmet, showcasing onions in their sweetest form. I can’t wait for you to try it and enjoy it just as much as I do!

Emily

Created by

Emily

Last updated on 2026-01-08T12:46:33.388Z

When I made my first Savory Caramelized Onion Galette, I was amazed at how easy it was to turn basic ingredients into something so satisfying. I started by slow-cooking the onions to enhance their natural sweetness, and this method truly makes all the difference.

Pairing these caramelized onions with tangy cheese is pivotal for balancing flavors. I often add herbs like thyme or rosemary for an aromatic touch, which elevates the dish even further. It’s a recipe I love to share with friends at gatherings, and it’s always a hit!

Why You Will Love This Recipe

  • Buttery, flaky crust that cradles the sweet onions
  • Creamy, melted cheese adds rich flavor and texture
  • Versatile and can be served warm or at room temperature
  • Perfect for any occasion from casual dinners to festive gatherings

Understanding the Ingredients

The foundation of this Savory Caramelized Onion Galette lies in the dough, where the quality of butter makes a significant difference. Using unsalted, chilled butter ensures a fresher taste and allows you to control the salt levels. I recommend chopping the butter into small cubes before incorporating it into the flour; this way, you achieve the perfect flaky texture that every galette deserves.

Onions are the star of this dish, and their type influences the overall sweetness. Yellow onions caramelize beautifully, resulting in a deep, rich flavor. If you’re seeking a more pronounced sweetness, consider adding a small pinch of sugar while cooking the onions. It can help accelerate the caramelization process and enhance their natural sugars.

Perfecting the Technique

When caramelizing onions, patience is key. Cook them over medium heat, stirring occasionally, to avoid burning. Low and slow is the way to go; if you hasten the process by increasing the heat, you risk yielding a bitter taste. For optimal caramelization, aim for a rich, golden-brown color, which can take anywhere from 20 to 30 minutes. The onions should be soft and jam-like, with a sweet aroma filling your kitchen.

When assembling the galette, remember to leave a generous 2-inch border around the edges of the dough, ensuring that there's enough room for the pleating to hold the filling securely. If your dough feels sticky, lightly dust it with flour; this prevents tearing. A parchment-lined baking sheet not only makes for easy cleanup but also helps the galette bake evenly.

Ingredients for Savory Caramelized Onion Galette

For the Galette Dough

  • 1 1/2 cups all-purpose flour
  • 1/2 teaspoon salt
  • 1/2 cup unsalted butter, chilled and diced
  • 1/4 cup ice water

For the Filling

  • 3 large onions, thinly sliced
  • 2 tablespoons olive oil
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 teaspoon fresh thyme leaves
  • 1/2 cup grated Gruyère cheese
  • 1 egg, beaten (for egg wash)

Instructions

How to Make Savory Caramelized Onion Galette

Make the Dough

In a mixing bowl, combine the flour and salt. Add the chilled butter and mix until the mixture resembles coarse crumbs. Stir in the ice water gradually until a dough forms.

Wrap in plastic wrap and refrigerate for 30 minutes.

Caramelize the Onions

In a large skillet, heat olive oil over medium heat. Add sliced onions and salt, cooking for about 20 minutes, stirring occasionally. Add thyme and black pepper, and cook until onions are golden brown.

Assemble the Galette

Preheat your oven to 400°F (200°C). Roll out the chilled dough on a floured surface into a 12-inch circle. Transfer it to a parchment-lined baking sheet.

Spread caramelized onions evenly over the dough, leaving a 2-inch border. Sprinkle cheese on top.

Fold and Bake

Fold the edges of the dough over the filling, pleating it as necessary. Brush the crust with the beaten egg. Bake in the preheated oven for 30 minutes or until golden brown.

Let it cool slightly before slicing.

Enjoy Your Galette

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Pro Tips

  • For a more robust flavor, try adding a splash of balsamic vinegar to the onions during caramelization. You can also experiment with different cheeses such as feta or goat cheese for a unique twist.

Make-Ahead Tips

This galette can be prepared in advance, making it a fantastic dish for gatherings. You can caramelize the onions the day before and store them in an airtight container in the refrigerator. When you’re ready to bake, simply roll out your dough, assemble, and bake as instructed. It’s a great time-saver and the flavors will meld beautifully overnight.

If you're looking to save time, consider making double the galette dough. You can freeze a portion of the dough for future use. Wrap it tightly in plastic wrap and store it in an airtight container. It can last up to three months in the freezer, giving you the flexibility for last-minute meals.

Serving Suggestions

This galette pairs wonderfully with a simple green salad dressed in a light vinaigrette. The freshness of the greens compliments the richness of the cheese and caramelized onions, creating a balanced meal. I often serve it with a side of roasted vegetables for a heartier option, making it a beautiful centerpiece for family dinners or gatherings.

For a twist, consider adding other ingredients to your galette. Sautéed mushrooms, spinach, or even a sprinkle of crumbled goat cheese can elevate flavors. Each variation provides a unique taste while maintaining the comforting essence of the galette. Experimenting with different herbs can also introduce delightful surprises!

Questions About Recipes

→ Can I use store-bought dough?

Yes, store-bought pie dough can be used to save time. Just roll it out and follow the same assembly method.

→ How can I store leftovers?

Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. Reheat in the oven for best results.

→ Can I freeze the galette?

Yes, you can freeze the assembled galette before baking. Just wrap it tightly and bake from frozen, adding 10-15 minutes to the baking time.

→ What other fillings can I use?

You can fill the galette with different vegetables, such as roasted peppers, mushrooms, or spinach, and pair with various cheeses based on your preference.

Savory Caramelized Onion Galette

I absolutely adore making this Savory Caramelized Onion Galette! It’s the perfect combination of buttery crust and sweet, caramelized onions, topped with creamy cheese. Every time I prepare this dish, the warm, comforting aroma fills my kitchen, making it irresistible. This galette serves not only as a delightful appetizer but also shines as a main course paired with a fresh salad. It’s simple to make, yet impressively gourmet, showcasing onions in their sweetest form. I can’t wait for you to try it and enjoy it just as much as I do!

Prep Time20 minutes
Cooking Duration40 minutes
Overall Time60 minutes

Created by: Emily

Recipe Type: Cozy Comfort Recipes

Skill Level: Intermediate

Final Quantity: 6 servings

What You'll Need

For the Galette Dough

  1. 1 1/2 cups all-purpose flour
  2. 1/2 teaspoon salt
  3. 1/2 cup unsalted butter, chilled and diced
  4. 1/4 cup ice water

For the Filling

  1. 3 large onions, thinly sliced
  2. 2 tablespoons olive oil
  3. 1 teaspoon salt
  4. 1/2 teaspoon black pepper
  5. 1 teaspoon fresh thyme leaves
  6. 1/2 cup grated Gruyère cheese
  7. 1 egg, beaten (for egg wash)

How-To Steps

Step 01

In a mixing bowl, combine the flour and salt. Add the chilled butter and mix until the mixture resembles coarse crumbs. Stir in the ice water gradually until a dough forms. Wrap in plastic wrap and refrigerate for 30 minutes.

Step 02

In a large skillet, heat olive oil over medium heat. Add sliced onions and salt, cooking for about 20 minutes, stirring occasionally. Add thyme and black pepper, and cook until onions are golden brown.

Step 03

Preheat your oven to 400°F (200°C). Roll out the chilled dough on a floured surface into a 12-inch circle. Transfer it to a parchment-lined baking sheet. Spread caramelized onions evenly over the dough, leaving a 2-inch border. Sprinkle cheese on top.

Step 04

Fold the edges of the dough over the filling, pleating it as necessary. Brush the crust with the beaten egg. Bake in the preheated oven for 30 minutes or until golden brown. Let it cool slightly before slicing.

Extra Tips

  1. For a more robust flavor, try adding a splash of balsamic vinegar to the onions during caramelization. You can also experiment with different cheeses such as feta or goat cheese for a unique twist.

Nutritional Breakdown (Per Serving)

  • Calories: 275 kcal
  • Total Fat: 18g
  • Saturated Fat: 11g
  • Cholesterol: 55mg
  • Sodium: 270mg
  • Total Carbohydrates: 25g
  • Dietary Fiber: 2g
  • Sugars: 5g
  • Protein: 6g