01 -
In a large bowl, cream together softened butter, 1/2 cup granulated sugar, and vanilla extract until light and fluffy (about 2-3 minutes).
02 -
Add the egg and beat until fully incorporated.
03 -
In a separate bowl, whisk together flour, baking powder, and salt. Gradually add the dry ingredients to the butter mixture, mixing until just combined.
04 -
Chill the dough in the refrigerator for 1 hour.
05 -
Preheat the oven to 350°F (175°C) and line baking sheets with parchment paper.
06 -
Place the remaining 1/4 cup sugar in a small dish.
07 -
Roll chilled dough into 1-inch balls, then roll each ball in the sugar and place them 2 inches apart on the baking sheets.
08 -
Use your thumb or the end of a wooden spoon handle to create a small indentation in each cookie.
09 -
Bake for 13-16 minutes, or until the edges are lightly browned. Allow cookies to cool slightly on the baking sheet.
10 -
Melt the raspberry jam in a small bowl, then spoon into the center of each baked cookie.
11 -
To make the icing, mix confectioners' sugar, vanilla extract, and water until smooth, then drizzle over the cooled cookies.