Puree the plums in a food processor or blender until completely smooth.
Strain the puree through a fine mesh strainer. Push everything through, you should only be left with fine bits of peel.
Cook the puree in a medium saucepan for about 10-15 minutes until it thickens and coats the back of a spoon. You should have about a cup of thick puree. Chill.
To make the ice cream base whisk the yolks, sugar, and corn syrup together in a medium saucepan until blended.
Over medium heat slowly add in the cream and milk, whisking constantly. Cook, whisking or stirring constantly, until the mixture thickens. You do not want it to come to actually come to a boil, so watch carefully. I like to switch between my whisk and a silicone 'spoonula' to be able to scrape the sides and bottom of the pan so nothing scorches.
When the mixture is thick enough to coat the back of a spoon it's done.(For me this whole process took about 12 minutes.) Immediately pour through a mesh strainer into a bowl and stir in the vanilla. Add the plum puree and mix well. If needed you can add a few drops of red or pink food coloring. Stir well to combine. Now chill your mixture until cold. This can be done the day before if you like.
Process the cold ice cream custard mixture in your ice cream machine according to its instructions. Turn the soft ice cream into an ice cream storage container or loaf pan and put in the freezer for 2 hours to firm up to a scoop-able consistency. Enjoy!
Nutritional information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although The View from Great Island attempts to provide accurate nutritional information, these figures are only estimates.
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