Tart Blueberry Walnut Sugar Cookies

1.Preheat the oven to 350°F (175°C).

Prepare the Blueberry Filling In a saucepan, combine the blueberries, granulated sugar, cornstarch, lemon juice, and lemon zest. Cook over medium heat, stirring constantly, until the mixture thickens and the blueberries burst, about 8-10 minutes. Remove from heat and let cool.

Prepare the Cookie Dough In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy. Add the eggs one at a time, beating well after each addition. Stir in the vanilla extract. In a separate bowl, whisk together the all-purpose flour, baking powder, and salt. Gradually add the dry ingredients to the butter mixture, mixing until just combined.

Assemble the Cookies Take a small amount of cookie dough and flatten it with your hands. Place a teaspoonful of the blueberry filling in the center and fold the dough over the filling, sealing the edges. Repeat with the remaining dough and filling. Arrange the filled cookies on a baking sheet lined with parchment paper.

5.In a small bowl, combine the chopped walnuts, granulated sugar, and ground cinnamon. Sprinkle the walnut topping over the filled cookies.

Bake and Serve Bake the cookies in the preheated oven for 12-15 minutes, or until golden brown. Remove from the oven and allow to cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely. Serve and enjoy!