01 -
Preheat oven to 175°C. Line baking sheets with parchment paper.
02 -
In a medium bowl, whisk together all-purpose flour, cocoa powder, baking soda, and salt. Set aside.
03 -
In a large mixing bowl, cream softened butter with brown sugar until light and fluffy.
04 -
Beat in the egg and vanilla extract until the mixture is well blended.
05 -
Alternate adding the dry mixture and buttermilk to the creamed mixture, beginning and ending with dry ingredients. Mix until just combined.
06 -
Drop tablespoon-sized portions of batter onto prepared baking sheets, leaving 5 cm between each. Bake for 10–12 minutes until cookies appear set but remain soft. Cool on the baking sheet for several minutes.
07 -
Transfer cookies to a wire rack to cool completely before assembling.
08 -
In a saucepan over medium heat, combine evaporated milk, sugar, egg yolks, and butter. Stir constantly and cook for 10–12 minutes until mixture thickens and coats the back of a spoon.
09 -
Remove saucepan from heat. Stir in vanilla extract, shredded coconut, and chopped pecans. Allow filling to cool completely.
10 -
Spread a generous amount of cooled filling onto the flat side of one cookie. Top with a second cookie, pressing gently to form a sandwich.