01 -
1 stick of unsalted butter, softened to room temp.
02 -
Half a cup of sugar (white).
03 -
A quarter cup of packed light brown sugar.
04 -
Tiny pinch of fine sea salt (1/4 teaspoon).
05 -
One large egg (room temp).
06 -
2 ½ cups of plain flour.
07 -
1 small spoonful of baking powder (1 tsp).
08 -
Two teaspoons of pure vanilla extract.
09 -
Two tablespoons of cocoa powder (dutch-process style).
10 -
Half a cup of sugar for coating.
11 -
Half a cup of smooth, seedless jam for the filling.