In a medium bowl or mason jar combine cream, milk, condensed milk and vanilla in a bowl. Whisk together thoroughly.
Add pumpkin spices, whisk to mix.
Add pumpkin puree and whisk.
Transfer mixture to a saucepan and begin to heat slowly, continually whisking to incorporate all ingredients
When mixture is hot and steaming {but not boiling}, remove off heat and whisk occasionally until completely cooked to prevent a skin from forming on top of mixture
Store creamer in a lidded container for up to a week {or for the length of time the expiry date reads on the whipping cream container}.
Shake container with each use as the spices settle when resting.