INGREDIENTS
2
Eggs, large
3/4 cup
All-purpose flour
1 tsp
Baking powder
1/2 cup
Brown sugar, light packed
1 1/2 tbsp
Cocoa powder, Dutch-process
1/2 cup
Granulated sugar
1/4 tsp
Salt
6 oz
Semi-sweet chocolate
1/2 cup
Semi-sweet chocolate chips
1/2 cup
Semi-sweet chocolate chunks
2 tsp
Vanilla extract, pure
1/2 cup
Walnuts
2 tsp
Espresso, powder
1 stick
Butter, unsalted