INGREDIENTS
4
Eggs
1 cup
All-purpose flour
1 tsp
Baking powder
8 oz
Bittersweet chocolate
1 1/2 cups
Brown sugar, packed
8 oz
Chocolate, semisweet
1 cup
Chocolate chips, semisweet mini or regular
1 tsp
Cornstarch
1/4 tsp
Salt
2 tsp
Vanilla extract
1/4 tsp
Espresso, powder
8 tbsp
Butter, unsalted