Preparation Steps

• Preheat oven to 350°F (175°C). Grease an 8-inch square baking pan and line with parchment paper.
• Melt butter and chopped bittersweet chocolate together in a heatproof bowl over simmering water, stirring until smooth.
• In a small cup, dissolve espresso powder in 1 tablespoon of hot water.
• In a large bowl, whisk sugar and eggs until combined. Whisk in melted chocolate mixture, dissolved espresso, and vanilla extract.
• Sift flour and salt into the wet ingredients. Gently fold until just combined, avoiding overmixing.
• Pour batter into prepared pan and smooth the top.
• Bake for 25 minutes or until a toothpick inserted in the center comes out with moist crumbs.
• Allow brownies to cool completely before cutting into squares and serving.