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Heirloom Tomato Galette with Gruyere, Toum, and Basil Recipe

Published: Jul 3, 2026 by Chef Ava · This post may contain affiliate links · Leave a Comment

Jump to Recipe·4 from 3 reviews

If you ever find yourself longing for a dish that’s as stunning as it is delicious, look no further than this Heirloom Tomato Galette with Gruyere, Toum, and Basil Recipe. It’s a savory masterpiece that brings together the buttery crispness of a homemade gruyere-infused crust, the creamy garlic punch of toum, and the vibrant freshness of heirloom tomatoes and basil. Whether it’s a weekend brunch or a relaxed dinner party, this galette promises a burst of color, flavor, and texture in every bite that will have everyone asking for seconds.

Ingredients You'll Need

A rustic rectangular tart sits on a white marbled surface, featuring two main layers. The base layer is a thick, unevenly folded pale dough with visible specks, forming a rough border that curves inward on all sides. The top layer is filled with several slices of fresh tomatoes in red, yellow, and brown hues, arranged overlapping each other to cover the entire surface inside the dough border. The tomatoes have a glossy, juicy texture that contrasts with the matte dough edge, creating a colorful and appetizing presentation. photo taken with an iphone --ar 4:5 --v 7

The beauty of the Heirloom Tomato Galette with Gruyere, Toum, and Basil Recipe lies in its simple yet thoughtfully selected ingredients. Each one is essential, delivering layers of rich flavor, texture, and color that complement one another perfectly.

  • All-purpose flour: The foundation for a tender yet flaky crust that holds everything together beautifully.
  • Gruyere cheese: Adds a nutty, slightly sweet depth that melds effortlessly into the dough for an irresistible savory note.
  • Freshly cracked black pepper: Provides a subtle spiciness that brightens the crust and enhances the tomatoes.
  • Kosher salt: Balances and elevates the natural flavors of every ingredient.
  • Cold butter: Key for creating that perfect flaky texture in your homemade pastry dough.
  • Apple cider vinegar: Adds a slight tang that helps tenderize the dough and deepen the flavor.
  • Ice cold water: Keeps the dough cool, preventing it from becoming tough while helping it come together smoothly.
  • Heirloom tomatoes: The star ingredient—juicy, colorful, and bursting with natural sweetness that contrasts beautifully with the savory elements.
  • Salt: For drawing moisture out of the tomatoes so they don’t water down your galette.
  • Toum: A garlicky Lebanese garlic sauce that adds creamy richness and a luscious kick.
  • Egg wash: Creates that gorgeous golden sheen on the crust for stunning presentation.
  • Labne: Provides creamy dollops of tangy freshness atop the baked galette.
  • Extra virgin olive oil: Adds a fruity richness and helps marry all the flavors with a gentle drizzle.
  • Hot honey: Brings a sweet heat contrast that’s simply addictive against the savory and acidic notes.
  • Fresh basil leaves: Brighten the whole dish with their aromatic herbaceousness.
  • Flaky sea salt and freshly cracked pepper: The perfect finishing touches to enhance every bite.

How to Make Heirloom Tomato Galette with Gruyere, Toum, and Basil Recipe

Step 1: Make the Flavorful Black Pepper Gruyere Dough

Start by combining your all-purpose flour, grated gruyere, cracked black pepper, and kosher salt in a food processor. Pulse just enough to blend these aromatic components. Then add the cold butter chunks and pulse until your mixture resembles coarse crumbs—this creates that flaky, buttery texture we love. Drizzle in apple cider vinegar and ice water gradually, pulsing as you go until the dough starts to come together. Turn it out onto a floured surface, shape it into a flat disk, and wrap it tightly before chilling in the fridge for a minimum of one hour. This resting time allows the flavors to meld and the dough to firm up for easy rolling.

Step 2: Prepare the Tomatoes

While the dough chills, slice your heirloom tomatoes into quarter-inch thick rounds. Lay them on a paper towel-lined sheet tray, sprinkle evenly with salt, and let them sit for about 30 minutes. This step is crucial because it encourages the tomatoes to release excess moisture, preventing your galette from becoming soggy. Once the juice has drained, gently pat the tops dry with more paper towels, ensuring your filling stays perfectly textured.

Step 3: Roll and Assemble the Galette

On a lightly floured piece of parchment paper, roll the chilled dough into a rustic 12 to 13-inch circle, roughly an eighth of an inch thick. Transferring the parchment with dough onto a rimmed baking sheet makes the next steps much easier. Spread a layer of toum evenly over the center, leaving a generous two-inch border uncovered. Next, arrange the tomato slices in a single overlapping layer atop the toum, letting their vibrant colors shine through. Carefully fold the edges of the dough up and over the outer ring of tomatoes to create that signature rustic galette look. Brush the entire crust with your prepared egg wash to set you up for a golden, glossy finish.

Step 4: Bake to Perfection

Slide your galette into a preheated 400°F oven and bake for 40 to 45 minutes. You want to see a deeply golden brown crust paired with softened, slightly caramelized tomato edges. These caramelized notes are where much of the magic happens—intensifying the tomatoes’ natural sweetness and adding a touch of smoky richness. Once done, remove the galette and allow it to cool on the baking sheet for about 10 minutes so it firms up just a bit, making it easier to slice.

Step 5: Add the Finishing Touches

Top your warm galette with generous dollops of creamy labne, then drizzle hot honey and extra virgin olive oil across the surface. Scatter fresh basil leaves on top, and finish with a sprinkle of flaky sea salt and freshly cracked pepper for the perfect balance of flavor and visual appeal. Slice it up and get ready to impress yourself and your guests with every bite!

How to Serve Heirloom Tomato Galette with Gruyere, Toum, and Basil Recipe

A rustic galette with a golden brown crust folded unevenly over a colorful filling. The filling has layers starting with bright red tomato slices, followed by yellow tomato slices scattered throughout. On top, there are dollops of white creamy cheese, drizzled with light olive oil and sprinkled with black pepper. Fresh green basil leaves are placed evenly over the cheese and tomatoes. The galette is partly sliced with one slice slightly pulled away, showing the thick crust and layered tomatoes. The scene is set on a white marbled surface with some extra basil leaves around and a vintage knife with a wooden handle above the galette. photo taken with an iphone --ar 4:5 --v 7

Garnishes

While the Heirloom Tomato Galette with Gruyere, Toum, and Basil Recipe is stunning on its own, garnishing with a handful of vibrant basil leaves and a light sprinkle of flaky sea salt adds a fresh and salty contrast. Hot honey drizzled right before serving enhances sweetness and complexity, transforming the dish into a flavor symphony. If you want to amp it up, scatter some toasted pine nuts or a few microgreens for an extra texture and visual pop.

Side Dishes

This galette pairs wonderfully with simple sides that highlight its rustic charm. A crisp green salad tossed with lemon vinaigrette complements the richness beautifully, bringing brightness to the meal. Roasted baby potatoes or a light, garlicky white bean salad make fabulous options for something heartier yet still fresh. The key is to keep sides light so the galette remains the star.

Creative Ways to Present

For a casual gathering, serve the Heirloom Tomato Galette with Gruyere, Toum, and Basil Recipe straight from the baking sheet to keep it inviting and homey. If you want to impress at a dinner party, place slices on individual plates with a basil sprig and a drizzle of hot honey on the side, accompanied by small bowls of labne for extra creaminess. Turning it into an elegant appetizer is as easy as cutting bite-sized squares and skewering them with fresh basil leaves for an effortless one-bite delight.

Make Ahead and Storage

Storing Leftovers

If you happen to have any leftovers (which might be a pleasant surprise!), store them covered in the refrigerator for up to two days. Keeping it airtight prevents the crust from absorbing moisture and going soggy. When you’re ready to enjoy, allow it to come to room temperature or reheat gently.

Freezing

The pie dough itself freezes beautifully if you want to get a head start on your next galette. Wrap the unbaked dough tightly in plastic and aluminum foil, and freeze for up to a month. While you can freeze a fully assembled galette, the texture of the tomatoes and toum may change, so it’s best to assemble fresh if possible.

Reheating

To reheat leftover Heirloom Tomato Galette with Gruyere, Toum, and Basil Recipe, pop slices into a 350°F oven for about 10 minutes. This helps revive the flaky crust and warms the filling without drying it out. Avoid microwaving, as that tends to make the pastry tough and soggy.

FAQs

Can I use other types of tomatoes in this recipe?

Absolutely! While heirloom tomatoes bring wonderful color and flavor, you can substitute with vine-ripened or cherry tomatoes if needed. Just remember to slice them uniformly and salt adequately to reduce moisture.

What is toum, and can I substitute it?

Toum is a Lebanese garlic sauce that is creamy and intensely garlicky, made from garlic, oil, lemon juice, and salt. If you can't find toum, a well-made garlic aioli or even a garlic cream cheese spread can work in a pinch, though the flavor will be slightly different.

Can I make the dough without a food processor?

Definitely! You can combine the flour, cheese, salt, and pepper in a bowl, then cut in the cold butter using a pastry cutter or two knives until you get coarse crumbs. Slowly add the apple cider vinegar and ice water until the dough just comes together.

How do I prevent the galette from getting soggy from the tomatoes?

Salting the tomato slices and letting them drain on paper towels is the key step to remove excess moisture. Also, spreading toum underneath creates a flavorful barrier that helps keep the crust crisp.

Is this recipe suitable for vegetarians?

Yes! This galette is entirely vegetarian-friendly, featuring fresh vegetables, cheese, and plant-based seasonings. Just ensure your labne is from a vegetarian source if you are serving strict vegetarians.

Final Thoughts

Making the Heirloom Tomato Galette with Gruyere, Toum, and Basil Recipe is like inviting a burst of summer into your kitchen, no matter the season. The way the flavors play together—the flaky gruyere crust, savory garlic toum, juicy heirloom tomatoes, and fresh basil—is truly something special. Whether you're an experienced cook or a passionate beginner, this galette is sure to become one of your treasured go-to recipes. Give it a try, and watch your friends and family fall in love bite by vibrant bite.

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Heirloom Tomato Galette with Gruyere, Toum, and Basil Recipe

Heirloom Tomato Galette with Gruyere, Toum, and Basil Recipe

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4 from 3 reviews

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This rustic Heirloom Tomato Galette features a flaky, black pepper and Gruyere-infused crust layered with juicy, seasoned heirloom tomatoes and a savory toum spread. Baked until golden and topped with creamy labne, sweet hot honey, and fresh basil, it’s a beautiful and delicious summer appetizer or light meal.

  • Total Time: 2 hours 15 minutes
  • Yield: 6 servings

Ingredients

Dough

  • 1 ¼ cups all-purpose flour (156 grams)
  • ⅓ cup finely grated Gruyere cheese (32 grams)
  • 1 teaspoon freshly cracked black pepper
  • ¼ teaspoon kosher salt
  • ½ cup cold butter cut into small chunks (113 grams)
  • 1 teaspoon apple cider vinegar
  • 3-4 tablespoons ice cold water

Filling and Topping

  • 1 ½ pounds heirloom tomatoes, sliced ¼-inch thick
  • 1 teaspoon salt
  • ½ cup toum
  • 1 large egg beaten with 1 tablespoon of water (egg wash)
  • ½ cup labne
  • 1 tablespoon extra virgin olive oil
  • 2 tablespoons hot honey
  • ¼ cup fresh basil leaves
  • Flaky sea salt and freshly cracked black pepper for finishing

Instructions

  1. Preheat the oven: Set your oven to 400°F to get it ready for baking the galette.
  2. Make the black pepper Gruyere dough: In a food processor, pulse together the all-purpose flour, grated Gruyere cheese, freshly cracked black pepper, and kosher salt about 5 times until mixed. Add the cold butter chunks and pulse until the texture looks like coarse crumbs. Drizzle in the apple cider vinegar and add ice cold water a tablespoon at a time, pulsing just until the dough begins to clump. Turn it out onto a floured surface, press into a flat disk, wrap tightly in plastic wrap, and chill for at least 1 hour until firm.
  3. Prepare the tomatoes: Arrange the sliced heirloom tomatoes in a single layer on a paper towel-lined baking sheet. Sprinkle with salt and let them sit for 30 minutes to draw out excess moisture. Afterward, gently pat them dry with more paper towels.
  4. Roll out the dough: On a lightly floured piece of parchment paper, roll the chilled dough into a 12 to 13-inch circle about ⅛-inch thick. Carefully transfer the parchment and dough onto a rimmed baking sheet.
  5. Assemble the galette: Spread the toum evenly over the center of the dough, leaving a 2-inch border around the edges. Arrange the drained tomato slices in a single overlapping layer on top of the toum. Fold the exposed dough edges over the outer ring of tomatoes to create a rustic border. Brush the crust generously with the egg wash.
  6. Bake: Place the galette in the oven and bake for 40-45 minutes, or until the crust is deep golden brown and the tomatoes are softened and slightly caramelized around the edges. Remove and let it cool on the baking sheet for 10 minutes.
  7. Add finishing touches and serve: Dollop the labne over the galette, then drizzle with hot honey and extra virgin olive oil. Garnish with fresh basil leaves and season with flaky sea salt and freshly cracked black pepper. Slice and enjoy.

Notes

  • Chilling the dough is essential for a flaky crust.
  • Salting the tomatoes beforehand reduces excess moisture and prevents a soggy crust.
  • Toum is a garlic sauce adding a savory layer; it can be substituted with garlic aioli if unavailable.
  • Use ripe but firm heirloom tomatoes to maintain structure during baking.
  • Let the galette rest slightly before serving so the toppings set.
  • Author: Chef
  • Prep Time: 1 hour 30 minutes
  • Cook Time: 45 minutes
  • Category: Appetizer
  • Method: Baking
  • Cuisine: Mediterranean

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