INGREDIENTS
1 1/2 cups
all-purpose flour
1/2 cup
unsweetened cocoa powder
1 cup
butter, softened
2/3 cup
confectioners sugar
1
large egg yolk
1/2 tsp
sea salt, plus more for rolling
1/2 tsp
coarsely ground black pepper, plus more for rolling
1 tsp
pure vanilla extract
Coarse decorating sugar, for rolling