INGREDIENTS
1
Egg, large
2 tbsp
Corn syrup, light
3/4 tsp
Baking powder
1/4 tsp
Baking soda
2 oz
Chocolate, semisweet
1 1/8 cups
Cocoa powder, Dutch-process
1/2 tsp
Cornstarch
1 1/2 cups
Flour
1 3/4 cups
Granulated sugar
2 1/4 tsp
Kosher salt
1/4 tsp
Vanilla extract
19 tbsp
Butter, unsalted