Best Blueberry Turnovers

Time :45 minutes
Yield :6 servings

Recipe Background

Blueberry turnovers: a flaky treat with a zingy lemon glaze, perfect for sharing.
During my sophomore year at college, I was part of a quirky student-run cooking club called 'The Midnight Snack Society.' We would meet late on Tuesday evenings, and my job was to bring a sweet treat to help fuel our creativity. That’s when I first experimented with these blueberry turnovers. I liked to think of them as bite-sized javelins of joy, perfect for holding with one hand while furiously brainstorming with the other. I’d always keep a stash of fresh blueberries on hand, mostly because they are delicious whether baked or raw. Plus, a hint of lemon in the glaze gave them just enough zing to cut through the sweetness of powdered sugar.
After an especially long day of classes, I remember showing up with these flaky delights wrapped neatly in parchment. I’d learned a secret: letting the blueberry mixture cool completely before assembling the turnovers ensured the pastry stayed puffed and proud. As our ideas bounced off the walls and laughter filled the air, those warm triangles became a club favorite. The best part was when we discovered drizzling them with a simple lemon juice and milk glaze only added to their temptation. Blueberries popped in our mouths while the flaky pastry left traces of powdered sugar on our fingers, creating sticky memories linked to those carefree college nights.
It's incredible to think how those nights shaped my love for experimenting with ingredients. This dish wasn't just dessert; it was a catalyst for creativity, collaboration, and camaraderie.

Ingredients

  • 1 cup fresh blueberries
  • 2 tablespoons sugar
  • 1/4 cup water
  • 1 tablespoon cornstarch
  • 1 sheet puff pastry thawed
  • 1 tablespoon lemon juice
  • 2 teaspoons milk
  • 1 cup powdered sugar plus more, to taste

Directions

  • Preheat the oven to 400 degrees F.
  • Line a baking sheet with parchment paper.
  • In a small saucepan over medium-low heat, add the blueberries, the sugar, the water, and the cornstarch and stir to combine.
  • Bring the blueberry mixture to a simmer and cook, while stirring frequently, until thickened, about 10-15 minutes.
  • Transfer the blueberry mixture from the heat and allow it to cool.
  • Cut the puff pastry into 6 equally sized rectangles.
  • Roll each of the puff pastry rectangles into even squares and transfer the squares to the prepared baking sheet, spreading them out evenly.
  • Add 1-2 tablespoons of the blueberry mixture to the center of each of the squares.
  • Fold each of the puff pastry squares in half diagonally over the blueberry mixture to make a triangle, pressing the edges slightly to seal.
  • Pierce the top of each of the puff pastry triangles with a fork to allow steam to escape.
  • Bake until the turnovers are lightly browned, about 15-20 minutes.
  • Transfer the baking sheet to a wire rack to cool.
  • In a small bowl, add the lemon juice and the milk.
  • Gradually add 1 cup of the powdered sugar to the lemon mixture, while whisking. The glaze should be thin enough to drizzle, but you may need to add the extra powdered sugar, a little at a time, to achieve the desired consistency.
  • Drizzle the glaze over the turnovers and allow it to harden.
  • Serve.
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