Kue Renda Coklat Panas

Bahan-bahan (16 porsi)

• 1 stick (8 tablespoons) salted butter
• 1/2 cup packed light brown sugar
• 1 teaspoon vanilla extract
• 1 large egg white
• 3/4 cup almond flour
• 1/4 teaspoon kosher salt
• 12 ounces melted milk chocolate ((optional))
• 8 ounces semi-sweet or milk chocolate chips
• 1/3 cup heavy cream
• 1 teaspoon vanilla extract
• 1 teaspoon espresso powder ((optional))