Ingredients

The following ingredients have 12 Servings
  • 3/4 cup unsweetened cocoa
  • 3/4 cup all purpose flour
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon instant espresso powder (optional)
  • 1/4 teaspoon salt
  • 1 1/2 sticks unsalted butter (softened)
  • 1/2 cup granulated sugar
  • 1/2 cup light brown sugar (packed)
  • 3 large eggs (room temperature)
  • 1 teaspoon pure vanilla extract
  • 1/2 cup plain Greek yogurt or sour cream
  • 1 cup granulated sugar
  • 1 tablespoon water
  • 3/4 cup heavy cream
  • 2 tablespoons unsalted butter (cut into cubes)
  • 1 teaspoon fleur de sel (I used Maldon salt)
  • 1 stick unsalted butter (softened)
  • 2 cups powdered sugar (sifted)
  • 1/2 teaspoon milk
  • 1/2 cup salted caramel sauce
  • 1 teaspoon fleur de sel
  • 1/2 cup semi-sweet chocolate (melted and cooled slightly)

Instruction