Lighter Brownies | America's Test Kitchen

Ingredients

• 1/2 cup unbleached all-purpose flour (2 1/2 ounces/71 grams)
• 1/2 teaspoon baking powder
• 2 tablespoons Dutch-processed cocoa powder
• 1 tablespoon warm water
• 1 tablespoon vanilla extract
• 3/8 teaspoon instant espresso powder
• 2 tablespoons unsalted butter
• 3 ounces (85 grams) semisweet chocolate , chopped fine
• 1/2 cup sugar (3 1/2 ounces/99 grams)
• 1/8 teaspoon table salt
• 1 large egg , lightly beaten