Makes about 5 cups, or enough to fill and ice an 8- or 9-inch cake Ingredients 1 1/2 cups unsweetened cocoa powder 1/2 cup (1 stick) unsalted butter, at room temperature 1/2 cup light corn syrup 1 teaspoon vanilla extract 1/2 teaspoon kosher salt 1/2 cup hot water 2 1/4 […]
