Sourdough strawberry-filled pop

Intensity scale: Low (minimal technique) → Medium (some waiting, light pastry skills) → High (advanced lamination or finicky dough)

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Why This Recipe Works

Most pop-tarts are shelf-stable and bland. This version leverages sourdough discard (the unfed starter you’d otherwise toss) to create a dough that is simultaneously tender and flaky. The natural acidity of the sourdough also balances the sweetness of the strawberry filling, giving you a breakfast pastry that tastes artisanal but comes together in an afternoon.

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Ingredients

For the Sourdough Pastry Dough

• 2 ½ cups (315g) all-purpose flour, plus more for dusting

• 1 tablespoon granulated sugar

• 1 teaspoon fine sea salt

• 1 cup (227g) cold unsalted butter, cut into ½-inch cubes

• ½ cup (120g) sourdough discard (unfed, at room temperature)

• ¼ cup (60ml) ice water (plus 1–2 tbsp more if needed)

For the Strawberry Filling

• 2 cups (300g) fresh strawberries, hulled and finely chopped (or frozen, thawed and drained)

• ¼ cup (50g) granulated sugar

• 1 tablespoon fresh lemon juice

• 1 tablespoon cornstarch mixed with 1 tablespoon water (slurry)

For Assembly & Glaze

• 1 large egg + 1 tablespoon milk (egg wash)

• 1 cup (120g) powdered sugar

• 2–3 tablespoons strawberry purée (reserved from filling) or milk

• ½ teaspoon vanilla extract

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Instructions

Step 1: Make the Sourdough Pastry Dough (Active: 15 min)

1. In a large bowl, whisk together flour, sugar, and salt.

2. Add the cold butter cubes. Using a pastry blender or your fingertips, work the butter into the flour until the mixture resembles coarse meal with pea-sized butter bits.

3. Add the sourdough discard and stir gently with a fork. Add ice water, 1 tablespoon at a time, mixing until the dough just comes together (do not overwork).

4. Turn dough onto a lightly floured surface. Pat into a rough rectangle, then fold it over itself 3–4 times (this creates flaky layers). Shape into a disk, wrap in plastic, and refrigerate for at least 2 hours (or up to 2 days). Waiting time: 2 hours.

Step 2: Prepare the Strawberry Filling (Active: 15 min)

1. In a small saucepan over medium heat, combine chopped strawberries, sugar, and lemon juice.

2. Cook, stirring occasionally, until strawberries break down and release their juices (about 8 minutes).

3. Reduce heat to low. Stir in the cornstarch slurry and cook for 1–2 minutes more until thick and jammy.

4. Remove from heat. Strain through a fine-mesh sieve if you want a smooth filling (optional). Reserve 2–3 tablespoons of the liquid/purée for the glaze. Let filling cool completely (about 30 minutes). Intensity note: This step requires stirring – not difficult, but don’t walk away.

Step 3: Roll, Fill, and Seal (Active: 20 min)

1. Preheat oven to 375°F (190°C). Line a baking sheet with parchment paper.

2. On a lightly floured surface, roll the chilled dough into a 10×14-inch rectangle, about ⅛-inch thick.

3. Trim edges to make a clean rectangle. Cut into 8 equal rectangles (about 5×3.5 inches each).

4. Place 4 rectangles on the prepared baking sheet (these will be the bottoms). Spoon 1½ tablespoons of cooled strawberry filling onto the center of each, leaving a ½-inch border.

5. For the top crusts, use a small knife or pastry wheel to cut slits or a lattice pattern (for steam vents). Place each top crust over the filling.

6. Press edges with a fork to seal. Brush tops with egg wash.

Step 4: Bake (Active: 2 min prep, 20–25 min bake)

1. Bake for 20–25 minutes, rotating halfway, until golden brown and crisp.

2. Transfer to a wire rack and cool completely before glazing (about 15 minutes). Total time remaining: 40 minutes.

Step 5: Glaze and Serve (Active: 5 min)

1. In a small bowl, whisk together powdered sugar, strawberry purée (or milk), and vanilla until smooth.

2. Drizzle or spread glaze over cooled pop-tarts. Let set for 10 minutes.

3. Enjoy warm or at room temperature.

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Storage & Make-Ahead

• Room temperature: Store in an airtight container for up to 2 days.

• Refrigerator: Up to 5 days – reheat in a toaster oven for best texture.

• Freeze unbaked: Assemble pop-tarts, freeze solid on a tray, then transfer to a bag. Bake from frozen, adding 5–7 minutes.

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Nutrition Information

Per 1 pop‑tart (based on 8 servings, using all ingredients as listed)