01 - Heat black sesame seeds in a dry skillet over medium heat for 3 to 4 minutes, stirring constantly until fragrant. Remove from heat and allow to cool completely.
02 - Process cooled seeds in a food processor or spice grinder until fine powder forms. Add honey and oil, blending until smooth paste develops. Set aside.
03 - Combine milk, cream, and half of sugar in medium saucepan. Heat over medium until steaming, avoiding boiling.
04 - Whisk egg yolks with remaining sugar and salt in separate bowl until mixture appears pale and thickened.
05 - Gradually stream hot milk mixture into yolks while whisking continuously to temper eggs without cooking them.
06 - Return mixture to saucepan. Cook over low heat, stirring with wooden spoon until slightly thickened and coating back of spoon, reaching approximately 175°F.
07 - Remove from heat. Stir in black sesame paste and vanilla extract, mixing until completely smooth and uniform.
08 - Strain custard through fine sieve into clean bowl. Cool to room temperature, then cover and refrigerate minimum 4 hours until thoroughly chilled.
09 - Process chilled mixture in ice cream maker according to manufacturer instructions until consistency reaches soft-serve stage.
10 - Transfer churned ice cream to freezer-safe container. Cover tightly and freeze for at least 2 hours until firm enough to scoop.