INGREDIENTS
•
1/4 cup all purpose flour
•
1 tablespoon unsweetened cocoa powder
•
1 tablespoon espresso powder
•
1/8 teaspoon baking powder
•
1/8 teaspoon salt
•
4 ounces semisweet chocolate, chopped
•
2 tablespoons unsalted butter
•
1 egg
•
1/3 cup granulated sugar
•
1/2 teaspoon vanilla extract