There’s something magical about the smell of baked goods wafting through the house, especially when they are made from scratch. I remember the first time I tried making pop tarts, with all their flaky crust and sweet fillings. It felt like reliving those childhood breakfasts filled with joy. This Sourdough Discard Pop Tarts recipe has become a treasured part of my baking routine, turning something I often tossed out into delightful pastries. Not only does it help reduce waste, but it also enriches the taste of the pop tarts. With a buttery, crisp outer layer and a gooey fruit center, these treats are special because they remind us that delicious things can come from what we already have.
why make this recipe
Making Sourdough Discard Pop Tarts is a fantastic way to use your sourdough starter discard instead of throwing it away. It’s economical, eco-friendly, and delicious! You can fill them with any jam or fruit filling you love, making them easy to customize. Plus, these pop tarts are perfect for breakfast or a sweet snack, bringing a touch of nostalgia and homemade goodness to your day.
how to make Sourdough Discard Pop Tarts
Ingredients:
- 1 cup sourdough starter discard
- 1 1/2 cups all-purpose flour
- 1/4 cup sugar
- 1/2 teaspoon salt
- 1/2 cup unsalted butter, cold and cubed
- 1/4 cup milk
- 1 teaspoon vanilla extract
- Jam or fruit filling of choice
- Egg wash (1 egg beaten with 1 tablespoon water)
Directions:
- In a large bowl, mix the sourdough starter, flour, sugar, and salt.
- Cut in the cold butter until the mixture resembles coarse crumbs.
- Stir in the milk and vanilla until a dough forms.
- Divide the dough into two halves, flatten them into disks, and wrap in plastic wrap. Refrigerate for at least 1 hour.
- Preheat the oven to 375°F (190°C).
- Roll out one disk of dough on a floured surface to about 1/8 inch thick.
- Cut into rectangles and place half of them on a baking sheet.
- Spoon a small amount of jam onto the center of each rectangle.
- Top with the remaining rectangles, sealing edges with a fork.
- Brush with egg wash.
- Bake for 15-20 minutes or until golden brown.
- Let cool before serving or freeze for later.
how to serve Sourdough Discard Pop Tarts
These pop tarts are delightful on their own but can be even more enjoyable with a dusting of powdered sugar or a drizzle of icing. Serve them warm for that fresh-out-of-the-oven experience, or pack them for a snack on the go.
how to store Sourdough Discard Pop Tarts
You can store baked pop tarts in an airtight container at room temperature for up to three days. If you want to keep them for longer, pop them in the freezer. Just make sure to wrap them well in plastic wrap or aluminum foil to prevent freezer burn.
tips to make Sourdough Discard Pop Tarts
- For a flakier crust, make sure the butter is very cold when cutting it into the dough.
- Feel free to experiment with different fillings such as chocolate, nut butter, or your favorite pie fillings.
- If you want a sweeter version, you can mix a little more sugar into the dough or add frosting on top.
variation
You can turn these pop tarts into peanut butter and jelly versions by using peanut butter as your base filling and your favorite jam on top. Alternatively, try adding spices like cinnamon to the dough for a unique flavor twist!
FAQs
Can I use store-bought sourdough starter?
Yes, you can use any sourdough starter discard you have, whether homemade or store-bought.
What if my dough is too crumbly?
If your dough feels too crumbly, add a bit more milk, one tablespoon at a time, until it holds together better.
Can I make these pop tarts ahead of time?
Absolutely! You can prepare the dough and fillings in advance, assemble the pop tarts, and freeze them before baking. Just bake them when you’re ready to enjoy!

Sourdough Discard Pop Tarts
Ingredients
Dough Ingredients
- 1 cup sourdough starter discard
- 1 1/2 cups all-purpose flour
- 1/4 cup sugar
- 1/2 teaspoon salt
- 1/2 cup unsalted butter, cold and cubed Ensure butter is very cold for a flaky crust.
- 1/4 cup milk
- 1 teaspoon vanilla extract
- to taste jam or fruit filling of choice
- 1 egg beaten with 1 tablespoon water (for egg wash)
Method
Preparation
- In a large bowl, mix the sourdough starter, flour, sugar, and salt.
- Cut in the cold butter until the mixture resembles coarse crumbs.
- Stir in the milk and vanilla until a dough forms.
- Divide the dough into two halves, flatten them into disks, and wrap in plastic wrap. Refrigerate for at least 1 hour.
Baking
- Preheat the oven to 375°F (190°C).
- Roll out one disk of dough on a floured surface to about 1/8 inch thick.
- Cut into rectangles and place half of them on a baking sheet.
- Spoon a small amount of jam onto the center of each rectangle.
- Top with the remaining rectangles, sealing edges with a fork.
- Brush with egg wash.
- Bake for 15-20 minutes or until golden brown.
- Let cool before serving or freeze for later.