Chocolate truffles are named for their rough, rounded shape, which resembles the rare fungi of the same name. At their core is a two-ingredient ganache — good-quality dark chocolate and heavy cream — that is chilled, rolled into balls, and coated in cocoa powder, chopped nuts, or tempered chocolate. The hands-on work takes about 30 minutes, with a few hours of chilling in between.
Start by preparing the ganache in a medium saucepan over medium heat, bring the heavy cream just to a simmer but not to a full boil, watching for small bubbles around the edge.
Place the chopped bittersweet chocolate in a mixing bowl. Pour the hot cream over the chocolate and let it sit for about 2 minutes to soften.
Using a whisk, gently stir the cream and chocolate together until smooth and fully combined.
Add the softened butter and vanilla extract to the ganache, whisking until the butter melts completely, providing a glossy finish.
Cover the bowl with plastic wrap and refrigerate for at least an hour or until firm enough to handle.
Line a baking sheet with parchment paper. Using a melon baller or teaspoon, scoop small portions of the ganache, forming them into 1-inch balls by rolling between your palms.
Roll the truffles in cocoa powder to coat and place them on the prepared baking sheet.
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Notes
For a twist, consider infusing your cream with flavors such as orange zest or espresso before making the ganache.
Additionally, rolling the truffles in crushed nuts or shredded coconut can add texture and flavor.