01 -
Unsalted butter: 1/2 cup, softened for creaminess.
02 -
Brown sugar: 1/4 cup, for sweetness and moisture.
03 -
Salt: 1/4 tsp, to balance the sweetness.
04 -
All-purpose flour: 1 1/2 cups, for structure.
05 -
Unsweetened cocoa powder: 1/2 cup, for chocolate richness.
06 -
Baking soda: 1 tsp, for leavening.
07 -
Granulated sugar: 3/4 cup, for sweetness.
08 -
Egg: 1 large, for binding.
09 -
Vanilla extract: 1 tsp, for flavor.
10 -
Blueberry jam: 1/2 cup, for the filling.
11 -
Purple food coloring: optional, for color enhancement.
12 -
Granulated sugar: 1/4 cup, for sprinkling.