Chocolate Espresso Thumbprint Cookies.

Bahan-bahan (36 porsi)

• 2 sticks (1 cup) unsalted butter (softened)
• 1 cup granulated sugar
• 1 egg
• 2 teaspoons vanilla extract
• 1 tablespoon instant espresso powder
• 2 cups all-purpose flour
• 1/2 cup unsweetened cocoa powder
• 1 1/2 teaspoons kosher salt
• 1 -2 tablespoons heavy cream (optional)
• 8 ounces semi-sweet or dark chocolate (chopped)
• 1/3 cup heavy cream
• 1 teaspoon vanilla extract
• 1 -2 teaspoons instant espresso powder