INGREDIENTS
1
Egg
3/4 tsp
Baking soda
1 1/16
+ 2 Tbsp cup Dark chocolate cocoa powder
1 cup
Flour
1 lb
Powdered sugar
1/2 tsp
Salt
1 pinch
Salt
1 cup
Sugar
2 tsp
Vanilla
3/4 cup
Coffee
1/2 tbsp
Espresso, powder
1 1/4 cups
Butter, unsalted
1/4 cup
Heavy whipping cream
1/3 cup
Sour cream
1
Rainbow nonpareils