01 - Combine milk and cream in a medium saucepan. Heat over medium heat until steaming but not boiling.
02 - Remove from heat and add hojicha tea. Let steep for 10 minutes to extract roasted flavor.
03 - Strain mixture through a fine sieve, pressing firmly on tea leaves to extract maximum flavor. Discard leaves and return liquid to saucepan.
04 - Whisk egg yolks, sugar, and salt in a separate bowl until pale and creamy.
05 - Gradually pour warm hojicha mixture into yolks while whisking constantly to prevent curdling.
06 - Return mixture to saucepan. Cook over low heat, stirring constantly with wooden spoon until thickened and coating the back of spoon, about 6-8 minutes. Do not boil.
07 - Pour through fine sieve into clean bowl. Cool to room temperature, then cover and refrigerate at least 3 hours or until completely chilled.
08 - Process in ice cream maker according to manufacturer instructions until creamy consistency.
09 - Transfer to freezer-safe container. Cover and freeze at least 1 hour before serving.