2tablespoonsblueberry juicereserved from cooking filling
1cuppowdered or confectioners sugar
2tablespoonsfreeze dried blueberriescrushed
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Instructions
Preheat the oven to 400 degrees and defrost pastry for 30-45 minutes until it is pliable.
Meanwhile, make the filling. In a small pot, bring blueberries, sugar and lemon juice to a boil. Gently press blueberries against pot to release juices. Reduce down for 7-8 minutes. Spoon out about two tablespoons of blueberry juice and set aside.
Add in cornstarch or arrowroot powder, one tablespoon at a time, stirring until completely dissolved. How much thickener you will need will depend on how juicy your blueberries are. You want the blueberries to have an almost jam-like consistency. Remove from heat and let cool a few minutes.
Roll each thawed pastry out to 12 inches by 12 inches on a floured surface.
Add about 1 tablespoon of jam, evenly spaced into two rows of three, for six total jam smears.
Place other pastry sheet on top of the one with the jam. Gently press around edges then cut into six pop tarts. Use a fork to crimp the edges of each pastry.
Bake for 15 minutes on a parchment paper lined baking sheet. Remove from oven and let cool for five minutes.
To make the icing, combine the blueberry juice you set aside earlier with powdered sugar. Whisking together until thick but spreadable icing forms. Add a few droplets of water if it is too thick. Spread icing over warm pop tarts and sprinkle with crushed freeze dried blueberries.