Preparation Steps

• Preheat your oven to 350°F (175°C). Grease and line a 9-inch springform pan with parchment paper.
• Melt the butter and dark chocolate together in a heatproof bowl set over a saucepan of simmering water, stirring until smooth. Remove from heat.
  227 grams unsalted butter
• In a separate large bowl, whisk together the granulated sugar, eggs, cocoa powder, vanilla extract, and salt until well combined.
  227 grams unsalted butter
• Gradually whisk the melted chocolate mixture into the egg mixture until smooth and fully incorporated.
• Pour the batter into the prepared springform pan and spread evenly.
• Bake for 30-35 minutes, or until the edges are set and the center is still slightly soft.
• Let the cake cool in the pan for about 15 minutes before removing the sides of the springform pan. Allow to cool completely on a wire rack.