Dark Chocolate Key Lime Pie Truffles

Bahan-bahan (60 porsi)

• 3/4 cup (180ml) heavy cream*
• zest of 2 limes
• 14 ounces (395g) white chocolate, coarsely chopped*
• 1 Tablespoon (15ml) fresh lime juice
• 2 Tablespoons (28g) unsalted butter, softened to room temperature and cut into 4 pieces
• 18 ounces (509g) bittersweet chocolate, coarsely chopped
• optional: 4 ounces (113g) white chocolate, coarsely chopped
• optional: a few green candy melts*