Dark Chocolate Key Lime Pie Truffles

INGREDIENTS

3/4 cup

heavy cream1

zest of 2 limes

14 oz

white chocolate, coarsely chopped2

1 tbsp

fresh lime juice

2 tbsp

unsalted butter, softened to room temperature and cut into 4 pieces

ounces (509g) bittersweet chocolate, coarsely chopped

optional: 4 ounces (113g) white chocolate, coarsely chopped

optional: a few green candy melts3