Mimi's Organic Eats » Sourdough Recipes » Rustic Sourdough Peach Galette

Rustic Sourdough Peach Galette

This Rustic Sourdough Peach Galette is a light and sweet dessert that embodies the essence of summer. Filled with fresh peaches that are surrounded by a buttery, flaky, slightly tangy crust from the sourdough discard, this galette is sure to be a hit at your backyard barbecue!

If you love making galettes as much as I do, be sure to check out some of my other favorite galette recipes like my Blueberry Almond Galette, Honey Glazed Apricot Mini Pies, or my Honey Apple Galette.

rustic sourdough peach galette, how to make pie dough with sourdough discard

Why You'll Love This Recipe

I love making galettes because they are so rustic and freeform. And when it’s the middle of summer and you want to spend less time in the kitchen and less time with the oven on, they are the perfect dessert to bake!

This is another collab recipe with my friend Hannah at Make It Dough! We use sourdough discard in this pie crust, so you will learn how to make pie dough with sourdough discard. Spoiler, it’s the easiest thing in the world! Plus, you get to use up discard and get a little sourdough flavor in your pie crust – it’s a win win!

Fresh peaches are gently tossed with a mix of sugar, flour, and cornstarch, and I also add a little bit of cinnamon to mine as I always add cinnamon into peach pie! Hannah makes hers without, so you can go either way on the cinnamon.

I use my favorite honey and water pie wash, in lieu of traditional egg wash. I started doing this when I was writing my book Effortless Eggless Baking and it has become my absolute favorite way to get a golden brown pie crust! It has a slightly sweeter taste than traditional egg wash, but I’m all about that sweetness!

rustic sourdough peach galette, how to make pie dough with sourdough discard

Ingredients for Rustic Sourdough Peach Galette

Organic Valley Salted Butter

Wholesome Organic Cane Sugar

Cairnspring Mills Organic All Purpose Flour (use code MIMIORGANIC15 for 15% off your order!)

Frontier Co-Op Organic Cornstarch

Frontier Co-Op Organic Korintje Cinnamon

Organic Peaches

Organic Raw Honey

Iberia Organic Turbinado Sugar

rustic sourdough peach galette, how to make pie dough with sourdough discard

Tools Needed

Digital Food Scale

Stand Mixer

Baking Sheet Half Sheet Pan (use code MIMIBAKES for 10% off my favorite stainless steel sustainable bakeware!)

Parchment Paper (get my favorite nontoxic parchment paper and get 10% off with MIMIBAKES)

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rustic sourdough peach galette, how to make pie dough with sourdough discard

How to Make Rustic Sourdough Peach Galette

Step 1

To make the crust: In a small bowl, add the cold water and sourdough discard and stir with a fork to dissolve the discard into the water. Set aside.

Step 2

To make the dough: In the bowl of your stand mixer fitted with the paddle attachment, add the flour and cold cubed butter. Turn the mixer on low and slowly start to incorporate the ingredients. Gradually turn the mixer to medium speed. Once the butter mixture looks like wet sand, immediately add in all the water and sourdough mixgture. As soon as the dough comes together, stop the mixer. Do not over mix.

Alternatively, if you are not using your mixer, then you make this by hand as well using these instructions:

In a medium bowl, add the flour and cubed butter. Work the butter in using your fingertips or a pastry blender until all of the flour is coated in fat.  

Make a well in the center and pour the starter mixture in. Mix with a spatula or wooden spoon until the dough comes together. Lightly knead the dough until a shaggy dough forms, don’t overwork the dough, it’s okay if there are a few dry bits remain. 

Step 3

Turn the dough on a large piece of plastic wrap. Gather the dough together using the edges of the plastic wrap, this prevents your dough from heating up and the butter from melting. 

Flatten the dough into a disc and wrap it tightly in plastic. Refrigerate the dough for at least 4 hours, or overnight.

Step 4

Preheat the oven to 400°F. Line a baking sheet with parchment paper.

Step 5

To make the filling: In a large bowl, add the cane sugar, flour, cornstarch, and cinnamon and whisk together. Set aside.

Step 6

Pit and slice the peaches and add to the sugar mixture.

Step 7

To make the topping: In a small bowl, add the honey and water and microwave for 10 seconds to melt the honey. Set aside.

Step 8

Remove the pie dough from the fridge. Remove the plastic wrap and place on a floured surface. Roll out the into a square that is 1/4-inch thick, it should be about 12 inches diameter.

Step 9

Arrange the filling in the center of the chilled dough and spread it evenly, leaving a 2-inch border. Fold the edges of the dough up over the fruit. Brush the dough with honey wash and sprinkle the turbinado sugar on top. Place dots of butter on top of the filling. 

Step 10

Bake for 35 to 40 minutes or until the crust has browned and the filling looks bubbly. Allow the galette to cool for at least 20 minutes before slicing and serving. (Be sure to check the recipe Notes for high altitude baking!)

rustic sourdough peach galette, how to make pie dough with sourdough discard

FAQ's

Do I need a mixer for this recipe?

No, you don’t need a mixer. You can make pie dough with or without a mixer and we provide instructions for both!

Why do you add cornstarch to the filling?

Cornstarch is a thickening agent, and it is used in pie fillings to thicken the fruit juices that get created when the sugar melts and the fruit cooks. If you don’t want to use cornstarch you can also use tapioca starch or Irish moss powder, both of which are also thickeners.

Why do you add flour to the filling?

Flour is also a thickening agent and it works with the cornstarch to bind the sugars that are created in the oven as the pie bakes. I use cornstarch and flour here because using too much flour can result in a flour taste in the filling, which we don’t want!

Do I need to put turbinado sugar on the crust?

No, you don’t need to add the turbinado sugar to the crust. This is optional, but it is what gives pie crust that sparkly look and it provides an amazing texture and little crunch! Regular cane sugar will not do the same thing as it will evaporate into the pie crust because the it is so much finer.

How should I store this galette?

Galettes, just like pies, are best when eaten right away. But you can store it in a cool dry place for up to 3 days. Don’t put it in an airtight container as it will become soggy. You can always re-heat a galette very easily in your oven or toaster oven and it will crisp right up! Never microwave it as you will have a soggy disaster!

Why use organic ingredients in this recipe? You all know I’m a huge organic advocate, and I bet you may be thinking sometimes, Why would I even bother to use organic ingredients in something that is so sweet and indulgent? But, that is the exact reason why you should use organic ingredients! Sweet things need to have flavor in order to be good, otherwise they are just sweet and they don’t taste like much else. Organic ingredients are more pure than conventional ones, therefore they actually have more flavor than the non organic options. Say it with me, organic means more flavor! And not just more flavor but a more true and pure flavor. And organic ingredients are much healthier for you to eat in general as they do not contain GMOs or anything artificial. Plus, you are being environmentally friendly when you choose organic ingredients!

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.

rustic sourdough peach galette, how to make pie dough with sourdough discard

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rustic sourdough peach galette, how to make pie dough with sourdough discard

Rustic Sourdough Peach Galette

Mimi Council
This Rustic Sourdough Peach Galette is a light and sweet dessert that embodies the essence of summer. Filled with fresh peaches that are surrounded by a buttery, flaky, slightly tangy crust from the sourdough discard, this galette is sure to be a hit at your backyard barbecue!
Prep Time 15 minutes
Cook Time 40 minutes
Chill Time 1 day
Total Time 1 day 55 minutes
Course Dessert
Cuisine American
Makes 6 servings
Calories 383 kcal

Ingredients
 
 

Crust

Filling

Topping

Instructions
 

To Make the Crust

  • In a small bowl, add the cold water and sourdough discard and stir with a fork to dissolve the discard into the water. Set aside.

Mixer Instructions

  • In the bowl of your stand mixer fitted with the paddle attachment, add the flour and cold cubed butter. Turn the mixer on low and slowly start to incorporate the ingredients. Gradually turn the mixer to medium speed. Once the butter mixture looks like wet sand, immediately add in all the water and sourdough mixture. As soon as the dough comes together, stop the mixer. Do not over mix.

By Hand Instructions

  • In a medium bowl, add the flour and cubed butter. Work the butter in using your fingertips or a pastry blender until all of the flour is coated in fat.
  • Make a well in the center and pour the starter mixture in. Mix with a spatula or wooden spoon until the dough comes together. Lightly knead the dough until a shaggy dough forms, don’t overwork the dough, it’s okay if there are a few dry bits remain.

Once Crust is Made

  • Turn the dough on a large piece of plastic wrap. Gather the dough together using the edges of the plastic wrap, this prevents your dough from heating up and the butter from melting.
  • Flatten the dough into a disc and wrap it tightly in plastic. Refrigerate the dough for at least 4 hours, or overnight.
  • Preheat the oven to 400°F. Line a baking sheet with parchment paper.
  • To make the filling: In a large bowl, add the cane sugar, flour, cornstarch, and cinnamon and whisk together. Set aside.
  • Pit and slice the peaches and add to the sugar mixture.
  • To make the topping: In a small bowl, add the honey and water and microwave for 10 seconds to melt the honey. Set aside.
  • Remove the pie dough from the fridge. Remove the plastic wrap and place on a floured surface. Roll out the into a square that is 1/4-inch thick, it should be about 12 inches diameter.
  • Arrange the filling in the center of the chilled dough and spread it evenly, leaving a 2-inch border. Fold the edges of the dough up over the fruit. Brush the dough with honey wash and sprinkle the turbinado sugar on top. Place dots of butter on top of the filling.
  • Bake for 35 to 40 minutes or until the crust has browned and the filling looks bubbly. Allow the galette to cool for at least 20 minutes before slicing and serving.

Video

YouTube video

Notes

High Altitude — Bake at 400°F for 30 to 35 minutes or until the crust is golden brown. 

Nutrition

Calories: 383kcalCarbohydrates: 51gProtein: 3gFat: 20gSaturated Fat: 12gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gTrans Fat: 1gCholesterol: 51mgSodium: 162mgPotassium: 127mgFiber: 2gSugar: 28gVitamin A: 834IUVitamin C: 3mgCalcium: 15mgIron: 1mg
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