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Heirloom Tomato Basil Galette

This Heirloom Tomato Basil Galette uses local heirloom tomatoes, garlic, fresh mozzarella, and basil inside a buttery and flaky crust. This Heirloom Tomato Basil Galette makes an amazing appetizer or lunch!

If you love making savory pies as much as I do, be sure to check out some of my other favorite recipes like my Cheddar Apple Chicken Pot Pie, Broccoli Cheese Galette, or my Bone Broth Ham & Cheese Quiche.

tomato basil galette recipe

Why You'll Love This Recipe

It's tomato season! This is the best time to buy local, fresh, and heirloom tomatoes. You can find varieties that aren't usually available as well as all the brightly colored heirloom tomatoes. I love using a variety of tomatoes in this recipe as it really adds more depth of flavor.

This Heirloom Tomato Basil Galette is a savory tart that can be made for brunch, appetizers, lunch, or dinner. I love making this for lunch as it's light but it has good protein from the mozzarella. The best time to make this is when tomatoes are in season, which is May through October. So check out your local farmers market for some heirloom tomatoes.

heriloom tomatoes

Ingredients for Heirloom Tomato Basil Galette

Organic Valley Salted Butter

Costco Kirkland Organic Cane Sugar

Cairnspring Mills Organic All Purpose Flour

Organic Garlic Cloves

Organic Valley Mozzarella

Organic Heirloom Tomatoes

Organic Fresh Basil

Organic Valley Large Eggs

Why go organic?

You may be wondering why I push organic ingredients for everything, even savory and healthy dishes. Organic ingredients go beyond just health and wellness, and contribute so much to the taste and flavor of a recipe. So, if you think that you're making something healthy and buying fruits, veggies, or meats so maybe you don't need to spend the extra to go organic here – let me sway your thinking.

Organic ingredients are made in a more pure way, therefore using no additives, no GMOs, and minimal ingredients. This really allows the true ingredients to shine – and because of that their flavor shines through. Therefore, organic ingredients are more flavorful than their non organic counterparts. So, just because it's already a healthy recipe, or you're already buying good for you ingredients – it doesn't mean you can skip organic! Trust me here, and make the switch. Your body and your taste buds will thank you!

So, I highly recommend that you buy the best organic ingredients for this recipe! You can also shop my Amazon Storefront for all my favorite organic ingredients here. Tip – hover over each ingredient to see the name. And if you want to learn more about organic foods and the difference, read my post here on Food Labels and What They Mean.

tomato basil galette recipe

Heirloom Tomato Basil Galette

Recipe by MimiDifficulty: Easy



When tomatoes are in season, it's time to make this Heirloom Tomato Basil Galette.


  • Crust
  • 127 grams (1 cup) organic all purpose flour

  • 1 teaspoon organic sugar

  • 1/2 cup (113 grams) organic salted butter, cold from the fridge

  • 3 tablespoons cold water

  • Filling
  • 2 tablespoons (57 grams) organic salted butter

  • 2 cloves organic garlic, minced

  • 4 ounces organic mozzarella, grated

  • 2 small organic heirloom tomatoes

  • 1 organic small egg

  • 1/2 cup organic fresh basil leaves


  • To make the crust: In the bowl of a stand mixer fitted with the paddle attachment, add the flour and sugar.
  • Cut the butter into small cubes and add to the mixing bowl. Measure cold water and have ready. Turn mixer on to low, mix until it looks like wet sand (about 1 to 2 minutes). Then immediately add the cold water. Continue to mix until a dough has formed. As soon as it forms, stop mixer and do not over mix.
  • Shape the dough into a rectangle that is about 3 x 5 inches and place on a piece of plastic wrap. Cover completely and refrigerate for at least 6 hours or overnight.
  • Preheat the oven to 375°F. Line a baking sheet with parchment paper.
  • Remove the dough from the fridge. Allow to sit for a few minutes while you prep the ingredients.
  • Melt the butter and add the minced garlic.
  • Slice tomatoes into 1/4 inch slices.
  • On a floured surface, roll out the dough to 1/4 inch thick. It should be about 9 x 13 inches. Place on the prepared baking sheet. Using a pastry brush, brush the dough evenly with the garlic butter.
  • Place tomatoes and mozzarella onto the dough. Fold the sides of the dough over to create a crust.
  • In a small dish, crack and beat the egg. Using a pastry brush, brush the egg onto the crust. This will help create a golden brown crust.
  • Bake for 1 hour or until golden brown on crust. Finely chop basil leaves and sprinkle on top.
  • Serve immediately.


  • High Altitude – Bake for 50 minutes or until golden brown on crust.

Did you make this recipe? 
Make sure to tag @mimibakescookies and @mimibakesphotos on Instagram!

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