01 -
Whisk together all-purpose flour, unsweetened cocoa powder, baking powder, and kosher salt in a medium bowl; set aside.
02 -
In a large bowl, beat salted butter with granulated sugar and light brown sugar on medium speed until light and fluffy, scraping down the sides as needed. Add egg and vanilla extract; beat until combined.
03 -
Mix in red gel food coloring until fully incorporated. Reduce mixer speed to low, gradually beat in dry ingredients until combined. Refrigerate dough until firm, approximately 20 minutes.
04 -
Preheat oven to 350°F (177°C) and line two baking sheets with parchment paper. Roll dough by tablespoonfuls into balls, then roll in granulated sugar. Arrange on baking sheets spaced 2 inches apart. Create an indentation in each ball’s center using your thumb. Refrigerate until firm, about 20 minutes.
05 -
Bake cookies for 12 to 14 minutes, rotating pans halfway through, until set and bottoms are lightly golden. Cool on pans 5 minutes before transferring to wire racks to cool completely.
06 -
Beat room-temperature cream cheese with powdered sugar in a large bowl on medium speed until smooth and combined. Pipe or spoon about one teaspoon of cream cheese filling into each cookie indentation.