01 -
Wash and chop the rhubarb into uniform pieces. In a saucepan, combine the rhubarb, granulated sugar, split vanilla bean, and scraped vanilla seeds. Bring mixture to a boil, then reduce heat, cover, and simmer for 5 minutes. Remove lid and blend the mixture with an immersion blender until smoother. Continue simmering uncovered until a thick, jam-like consistency is achieved. Refrigerate until fully chilled.
02 -
In a small bowl, whisk together 60 ml of the whole milk with the cornstarch to form a smooth slurry. Set aside.
03 -
In a 4-litre saucepan, combine the remaining milk, heavy cream, granulated sugar, corn syrup, and kosher salt. Whisk over medium-high heat and bring to a gentle boil. Cook for 4 minutes, then stir in the prepared cornstarch slurry. Return the mixture to a boil, stirring constantly, and cook until thickened, about 2 minutes.
04 -
Place the softened cream cheese in a heatproof bowl. Gradually whisk in 60 ml of the hot milk mixture until smooth and combined. Then slowly whisk in the remaining milk mixture.
05 -
Transfer the mixture to a sealable plastic bag and submerge in an ice water bath until thoroughly chilled, or refrigerate the mixture overnight for optimal texture.
06 -
Add the chilled rhubarb jam to the ice cream base. Blend thoroughly using an immersion blender until evenly combined and smooth.
07 -
Pour the blended mixture into an ice cream maker and process according to the manufacturer's instructions. If capacity is limited, churn in batches as necessary.
08 -
Transfer the churned ice cream to a suitable storage container and freeze until firm before serving.