INGREDIENTS
1
Egg, large
1 tbsp
Corn syrup, light
2 tsp
Lemon juice
1 1/4 cups
All-purpose flour
1/2 tsp
Baking soda
6 tbsp
Cocoa powder
1 1/2 cups
Confectioner\'s sugar
1/2 cup
Granulated sugar
5/8 tsp
Salt
1 1/2 tsp
Vanilla
1/4 tsp
Espresso, instant powder
6 tbsp
Butter, unsalted
1/3 cup
Buttermilk
2 tbsp
Water