Note: Have ready a fine-mesh strainer suspended over a medium bowl before you begin recipe.In a medium saucepan, with a silicone spatula, stir together the egg yolks, milk, and 174 grams (¾ cup) of the cream until well blended. Stir in the sugar, glucose (reduced corn syrup), and salt until the sugar has dissolved. Heat the mixture of medium-low, stirring, until slightly thicker than heavy cream. When a finger is run across the back of the spatula, it will leave a well-defined track. An instant-read thermometer should read 170° to 180°F (77° to 82°C).
Immediately pour the mixture into the strainer, scraping up the thickened mixture that has settled on the bottom of the pan. Press it through the strainer and scrape any mixture clinging to the underside of the bowl.
Stir in the remaining cream (290 grams/ 1¼ cup). Cover and refrigerate for a minimum of 8 hours or until no warmer than 43°F/6°C. Set a covered storage container in the freezer.
Churn the custard in a prechilled ice cream maker. Transfer the ice cream to the chilled storage container. Press a piece of plastic wrap on the surface of the ice cream, cover the container, and allow the ice cream to firm in the freezer for 30 minutes to an hour.
Stir in rum soaked raisins*. Replace plastic wrap, cover, and return to freezer for at least 4 hours before serving.