In a pot, heat cream, milk, and sugar until it starts to simmer
Whisk egg yolks in a bowl, then slowly add the hot cream mixture while whisking to avoid curdling
Return this mixture to the pot and cook on medium-low heat until it thickens slightly
Strain the mixture, add tiramisu syrup, and refrigerate until chilled
Pour the chilled mixture into an ice cream maker and follow the machine’s Preparation Add cookies and chocolate, if you like, during the freezing process
Transfer to a container, cover, and freeze until set