Individual Fallen Chocolate Cakes | America's Test Kitchen

Ingredients

• 8 tablespoons unsalted butter (1 stick), plus extra for ramekins
• 8 ounces (227 grams) semisweet chocolate , coarsely chopped
• 4 large eggs
• 1 large egg yolk
• 1 teaspoon vanilla extract
• 1/4 teaspoon table salt
• 1/2 cup granulated sugar
• 2 tablespoons unbleached all-purpose flour , plus extra for ramekins
• confectioners' sugar or unsweetened cocoa powder for decoration, optional
• whipped cream for serving, optional