Ingredients

The following ingredients have 18 Servings
  • 2/3 cup hot coffee ((160 ml), see Notes)
  • 1/2 cup unsweetened cocoa powder ((40 grams))
  • 1 ¼ cup all-purpose flour ((150 grams))
  • 1/2 teaspoon salt
  • 3/4 teaspoon baking soda
  • 1 cup granulated sugar ((200 grams))
  • 1 large egg
  • 1 large egg yolk
  • 2/3 cup sour cream (, at room temperature (150 grams))
  • 1/2 cup vegetable oil ((125 ml))
  • 1/2 teaspoon mint extract
  • 4 cups powdered sugar (, sifted (1 lb, 455 grams))
  • 1 cup unsalted butter (, at room temperature (226 grams))
  • 1/8 teaspoon salt
  • 1/4 cup heavy whipping cream ((60 ml))
  • 1  teaspoon mint extract
  • Green food coloring (, I prefer to use gel food coloring)
  • 1 cup grams chopped semi-sweet chocolate ((313 grams))

Instruction