Thai Peanut Butter Cups

INGREDIENTS

• 1 tablespoon lime juice
• 2 pounds bittersweet chocolate
• 2 stalks lemon grass, cut into 2-inch segments and bruised with the back of a knife
• 1 cup peanut butter
• 2 teaspoons lime zest, grated
• 1/4 cup sugar
• 36 small strips of candied ginger (optional)
• 1 cup coconut milk
• 2 tablespoons roasted peanuts (optional)
• 36 small candy cups
• 4 large coins galangal, bruised with the back of a knife
• 3-5 Thai chilis