In a medium saucepan, combine the heavy cream, whole milk, and granulated sugar.
Add the scraped seeds from the vanilla bean to the saucepan.
Heat the mixture over medium heat, stirring occasionally, until the sugar has dissolved and the mixture is warm but not boiling.
Remove from heat and let the mixture steep for at least 30 minutes to allow the vanilla flavor to infuse.
Strain the creamer through a fine-mesh sieve into an airtight container to remove the vanilla bean seeds. Discard the seeds or use them for another purpose.
Store in the refrigerator for up to 2 weeks.
Notes
For a richer flavor, you can add a splash of vanilla extract along with the vanilla bean seeds. Adjust sugar to your preference.