Sourdough Discard Pop Tarts Recipe

That jar of sourdough discard sitting on your counter is about to become your new favorite pastry chef. Seriously, we’re turning it into something magical.

These homemade sourdough discard pop tarts are a flaky, buttery revelation, so much better than anything from a foil packet. They’re the perfect project for a lazy weekend morning.

Why Your Discard Deserves This

If you’ve ever felt a twinge of guilt pouring your starter down the drain, this recipe is your solution. It’s a celebration, not a compromise.

That tangy discard works quietly in the background, adding a subtle depth of flavor and incredible tenderness to the crust. You get a sophisticated pastry that still delivers pure, nostalgic joy.

Ingredients Needed for the Recipe

Gathering your ingredients is the first step to pop-tart bliss. Here’s what you’ll need, and why each one matters.

• All-Purpose Flour: The sturdy backbone of our crust, providing just the right structure.
• Cold Unsalted Butter: The star for flaky layers. Keeping it cold is the secret.
• Granulated Sugar & Fine Sea Salt: A sweet-and-savory balance that makes the crust sing.
• Sourdough Discard: The hero ingredient, adding flavor and tenderizing the dough beautifully.
• White Vinegar: A tiny trick to keep the crust extra tender and easy to work with.
• Your Choice of Filling: Jam, Nutella, or cinnamon sugar—this is where you make them yours.
• An Egg: For the egg wash, which gives the tarts a gorgeous, golden shine.
• Powdered Sugar & Water: For the simple, sweet glaze that finishes everything perfectly.

How to make sourdough discard pop tarts?

The process is straightforward, almost therapeutic. Let’s break it down into simple, foolproof steps.

Step 1- Prepare the Dough

Whisk your dry ingredients together in a bowl. Then, grab your cold butter and a cheese grater.

Grating the butter is a fantastic little hack—it distributes those cold bits perfectly for maximum flakiness. Toss the butter shreds into the flour and cut them in until you have shaggy crumbles.

Step 2- Bring It All Together

Now, add your sourdough discard and that teaspoon of vinegar. Stir with a fork until the mixture looks scrappy.

Use your hands to press it into a ball. If it seems dry, add a teaspoon of ice water, but be sparing. You want it just cohesive enough.

Step 3- Chill the Dough

Shape the dough into a rough rectangle on a piece of plastic wrap. Wrap it tightly.

Use your rolling pin to press the packet flat, which helps smooth the edges. Refrigerate for at least an hour—this relaxes the gluten and firms up the butter, which is non-negotiable for success.

Step 4- Roll, Fill, and Seal

On a lightly floured surface, roll the dough into a large rectangle, about an eighth of an inch thick. Trim the edges straight.

Cut the dough into four even smaller rectangles. Beat one egg for your wash, and brush it around the edges of each piece.

Step 5- Add the Filling

Place two tablespoons of your chosen filling on one side of each rectangle. Don’t get greedy and overfill.

Gently fold the empty side over the filling, like closing a book. Use the tines of a fork to crimp the edges firmly shut.

Step 6- Bake to Golden Perfection

Place your assembled tarts on a parchment-lined baking sheet. Give the tops a light brush with the remaining egg wash.

Bake in a preheated 350°F oven for 25 to 30 minutes. You’re waiting for a beautiful, even golden brown color. Let them cool completely on a rack.

Step 7- Glaze and Celebrate

Mix the powdered sugar with a teaspoon of water to make a thick glaze. Add more water, drop by drop, only if needed.

Drizzle or spread the glaze over the cooled pop tarts. A sprinkle of sugar crystals or sprinkles adds the final, joyful touch.

Flavor Adventures to Try

Strawberry jam is a classic, but your options are wonderfully wide open. This is the fun part.

Consider a brown sugar and cinnamon mix for a cozy feel, or rich homemade Nutella for decadence. In autumn, spiced apple butter makes an unforgettable filling.

Tips

A few insights from my kitchen can make your first batch even smoother. You’ve got this.

• Keep everything cold. If the dough warms up and gets sticky while rolling, pop the whole sheet, tarts and all, into the freezer for 10 minutes.
• Seal the edges well. A good crimp with the fork prevents delicious filling from bubbling out during baking.
• Let them cool before glazing. If the tarts are warm, the glaze will just melt thin and disappear.
• Experiment with shapes. Use a pizza cutter to make smaller, bite-sized tarts for a crowd.

Storing Your Homemade Treasures

These pop tarts store beautifully, so you can make them ahead. They rarely last long, though.

Keep them in an airtight container at room temperature for up to three days. For longer storage, freeze them unglazed, then add the fresh glaze after thawing and reheating.

Baking these is more than just following a recipe. It’s a act of kitchen alchemy, transforming simple discard into a handheld masterpiece.

So, go on, grab that jar and get started. Your future self, enjoying a warm pop tart with a cup of coffee, will thank you profusely.

Print Recipe

Sourdough Discard Pop Tarts Recipe

Author: Kelsey Perez Cooking Method: Baking Cuisine: American Courses: Breakfast

Difficulty: easy Prep Time 30 mins Cook Time 30 mins Rest Time 60 mins Total Time 2 hrs

Cooking Temp: 177  C Servings: 4 Estimated Cost: $ 8 Calories: 285

Best Season: Spring, Summer, Fall, Winter

Description

Sourdough pop tarts are easy to make with your sourdough discard and taste so much better than any store-bought toaster pastry! The crust is buttery, flaky, and tender—filled with your favorite pop tart flavor like strawberry, blueberry, or Nutella—and finished with a sweet glaze.

These homemade pastries are a delicious way to use up sourdough discard while treating yourself to a nostalgic yet elevated breakfast or snack.

ingredients

Servings

Crust Ingredients

• 1 cup + 1 tsp all-purpose flour ((125 g))
• 8 tbsp unsalted butter (cold, (113 g))
• ½ tsp fine sea salt
• 2 tbsp granulated sugar ((30 g))
• ½ cup sourdough starter discard (cold, 100% hydration, (125 g))
• 1 tsp white vinegar ((5 g))

Filling & Assembly

• ½ cup strawberry jam (or filling of choice (blueberry, Nutella, apple butter, etc.))
• 1 egg (lightly beaten for egg wash)

Glaze

• ½ cup powdered sugar
• 1 tsp water (more as needed for consistency)

Instructions

Make the Crust

1. In a medium mixing bowl, whisk together the flour, sugar, and salt.
2. Grate the cold butter into the bowl using a cheese grater. Use a bench scraper or pastry cutter to cut the butter into the flour mixture until large crumbles form.
3. Add the sourdough discard and vinegar. Mix with a fork until clumpy, then use your hands to press the dough together into a cohesive ball. If too dry, add 1 tsp ice water.
4. Flatten the dough into a small rectangle, wrap tightly in plastic wrap, and use a rolling pin to smooth edges. Chill for at least 1 hour (or up to 24 hours).

Assemble & Bake

1. Preheat oven to 350°F (177°C). Line a baking sheet with parchment paper.
2. On a lightly floured surface, roll chilled dough to ⅛" thickness. Trim edges and cut into 4 equal rectangles.
3. Brush edges of each rectangle with egg wash. Spoon 2 tablespoons of filling onto one half of each rectangle.
4. Fold dough over to enclose filling. Press edges with a fork to seal. Brush tops with egg wash.
5. Bake for 25–30 minutes, or until golden brown. Transfer to a cooling rack and let cool completely before glazing.

Glaze

1. Whisk powdered sugar and water until smooth. Drizzle over cooled pop tarts. Add sprinkles or coarse sugar if desired.

Nutrition Facts

Servings 4

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Amount Per Serving

Calories 285kcal

% Daily Value *

Total Fat 13g20%

Saturated Fat 8g40%

Cholesterol 55mg19%

Sodium 230mg10%

Potassium 80mg3%

Total Carbohydrate 40g14%

Dietary Fiber 1g4%

Sugars 18g

Protein 4g8%

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Calcium 20 mg

Iron 1 mg

* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.

Note

• Filling Ideas: Try strawberry jam, blueberry jam, homemade Nutella, brown sugar cinnamon, or apple butter.
• Make Ahead: Dough can chill up to 24 hours. Baked, unglazed pop tarts freeze well for up to 3 months.
• Storage: Keep in an airtight container at room temp for 3 days or refrigerated for 6 days. Reheat at 350°F for 10 minutes.
• Tip: Glaze only after pop tarts are completely cool—otherwise it will melt and run off.

Keywords: sourdough pop tarts, sourdough discard recipes, homemade pop tarts, toaster pastries, sourdough breakfast