01 -
Heat heavy cream and espresso powder in a small pot over medium heat until bubbles form around the edges. Remove from heat and let cool for 10 minutes.
02 -
Place 340 g white chocolate chips in a large heatproof bowl. Strain the espresso-infused cream through a fine-mesh sieve over the chips; discard the solids.
03 -
Set the bowl over a pot of simmering water, ensuring the bowl does not touch the water. Stir constantly until chocolate is nearly melted, then remove from heat and stir until smooth.
04 -
Whisk in mascarpone cheese and salt until fully combined. Cover and refrigerate until firm, at least 2 hours or up to overnight.
05 -
Roll chilled ganache into 24 balls, about 2.5 cm diameter each. Arrange on a parchment-lined tray and freeze until solid, at least 30 minutes or overnight.
06 -
Microwave 14 g oil and 170 g white chocolate chips in a heatproof bowl in 20-second increments, stirring between each, until melted and smooth.
07 -
Dip 8 truffle balls into melted white chocolate, coat evenly, and place back on the tray. Top with shaved dark chocolate while still wet.
08 -
Microwave 170 g semisweet chocolate chips and remaining 14 g oil in a heatproof bowl in 20-second increments, stirring between each, until melted and smooth.
09 -
Dip 8 truffle balls into melted semisweet chocolate, return to the tray, and sprinkle crushed ladyfingers over the tops.
10 -
Roll the remaining 8 truffle balls in unsweetened cocoa powder. Place all finished truffles on the tray.
11 -
Refrigerate truffles until set and firm, at least 30 minutes or up to overnight. Store in an airtight container in the refrigerator.