01 -
In a medium bowl, whisk together the all-purpose flour, unsweetened cocoa powder, baking powder, and kosher salt until evenly distributed.
02 -
Using a mixer on medium speed, beat the softened salted butter, granulated sugar, and light brown sugar in a large bowl until light and fluffy, about 3 to 5 minutes. Scrape down the bowl as needed.
03 -
Add the large egg and vanilla extract to the butter mixture and mix until fully combined. Then, add the red gel food coloring and beat until the dough is uniformly bright red.
04 -
Reduce the mixer speed to low and gradually add the dry ingredients to the wet mixture, mixing only until just combined to avoid overworking.
05 -
Cover and refrigerate the dough for 20 minutes to firm up, facilitating easier shaping and preventing spreading during baking.
06 -
Preheat the oven to 350°F (177°C). Line two baking sheets with parchment paper to ensure even baking and easy removal.
07 -
Scoop tablespoon-sized portions of dough and roll each into a ball. Roll the balls in granulated sugar to coat completely, then place them 2 inches apart on the prepared baking sheets.
08 -
Press the center of each dough ball gently with your thumb to form a well. Refrigerate the shaped cookies for another 20 minutes until firm.
09 -
Bake the cookies for 12 to 14 minutes, rotating the pans halfway through. Remove when the bottoms are lightly golden and the cookies are set.
10 -
Allow the cookies to cool on the baking sheets for 5 minutes before transferring them to wire racks to cool completely.
11 -
Beat the softened cream cheese and powdered sugar in a large bowl on medium speed until smooth and creamy. Using a teaspoon or piping bag, fill each thumbprint indentation with the cream cheese mixture.