Mini Frosted Strawberry Pop-Tart Cookies

Instructions

1. 1Beat the softened butter and granulated sugar in a medium bowl until light and fluffy, about 2 minutes. Mix in the egg yolk and vanilla until smooth.
2. 2Add the flour and salt and stir just until a soft dough forms. Pat into a disk, wrap, and chill 20 minutes so it is easier to roll.
3. 3Preheat the oven to 350°F and line a baking sheet with parchment paper.
4. 4Roll the dough on a lightly floured surface to about 1/8-inch thick. Cut into 1 1/2-by-2-inch rectangles; you need an even number, about 40 pieces for 20 sandwiches.
5. 5Arrange half the rectangles on the baking sheet. Spoon about 1/2 teaspoon jam in the center of each, leaving a small border. Top with the remaining rectangles and press the edges with a fork to seal.
6. 6Bake 10 to 12 minutes, until the edges are barely golden. Cool completely on the pan so the filling sets.
7. 7Whisk the powdered sugar and milk until smooth. Spread a thin glaze on each cooled cookie and add rainbow sprinkles right away.
8. 8Let the glaze set about 15 minutes before serving or packing.

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