|3⁄4 fl oz||Black sambuca liqueur|
|3⁄4 fl oz||Frangelico liqueur|
Difford's Guide remains free-to-use thanks to the support of the brands in blue above.
It's something of a challenge to get the Frangelico to float on the black sambuca. If you store the Opal Nera in a freezer and the Frangelico at room temperature, this helps.