01 -
In a large bowl, whisk together flour, salt, and sugar. Cut in the butter using a pastry cutter or your fingers until the mixture resembles coarse crumbs. Gradually add ice water, stirring until the dough comes together. Divide into two discs, wrap in plastic, and chill for at least 30 minutes.
02 -
Mix brown sugar, cinnamon, and flour in a small bowl until well combined.
03 -
On a floured surface, roll out one disc to about 1/8-inch thickness. Cut into rectangles (approximately 3×4 inches). Repeat with the second disc.
04 -
Place a spoonful of filling in the center of half of the rectangles. Cover with another rectangle and press the edges with a fork to seal. Prick the top of each tart a few times with a fork.
05 -
Preheat the oven to 350°F (175°C). Place the Pop Tarts on a baking sheet lined with parchment paper. Bake for 25 minutes or until golden brown.
06 -
Mix the powdered sugar, milk, and vanilla to make the frosting. Spread over cooled Pop Tarts and top with sprinkles if desired.