01 -
Mix the softened butter with 1/2 cup of sugar and vanilla in a large bowl. Beat until the mixture feels fluffy and light—it'll take about 2 to 3 minutes.
02 -
Drop the egg into the bowl and beat until it's fully blended into the mix.
03 -
In another bowl, mix up the flour, baking powder, and salt. Slowly add this to the butter bowl while stirring, just until it all comes together.
04 -
Put the dough in the fridge to chill for about an hour.
05 -
Set your oven to 350°F (175°C) and prep your baking sheets with some parchment paper.
06 -
Pour the remaining 1/4 cup of sugar into a small, shallow bowl.
07 -
Form 1-inch dough balls, roll each one in the sugar, and place them on the baking sheets, leaving 2 inches between each.
08 -
Press down slightly in the middle of each ball using your thumb or the handle of a wooden spoon.
09 -
Pop them in the oven for 13-16 minutes until the edges are golden. Set them aside to cool right on the baking sheet for a bit.
10 -
Warm up the raspberry jam in a small dish, then carefully spoon it into the middle of each cookie.
11 -
Combine the powdered sugar, vanilla, and water until smooth, then drizzle over the completely cooled cookies.