chocolate peppermint thumbprint cookies - Pass the Cookies

Ingredients

• 4 ounces dark chocolate, chopped
• 5 tablespoons + 1 teaspoon heavy cream
• 1/2 teaspoon peppermint extract
• 1 cup butter, at room temperature
• 1 1/3 cup sugar
• 1 egg
• 2 egg yolks
• 2 tablespoons heavy cream
• 3/4 teaspoon peppermint extract
• 1 tablespoon instant espresso powder
• 2 cups flour
• 1 cup dark cocoa powder
• 1/2 teaspoon salt
• 1/2 teaspoon sea salt