01 - In a medium saucepan over medium heat, whisk together whole milk, heavy cream, sweetened condensed milk, cocoa powder, sugar, and salt until smooth and steaming, approximately 5 minutes without boiling.
02 - Remove the saucepan from heat and stir in peppermint and vanilla extracts until fully incorporated.
03 - Allow the mixture to cool for 10 minutes, then transfer into a clean jar or bottle for storage.
04 - Refrigerate the creamer for up to one week, shaking well before each use. Add 1 to 2 tablespoons per cup of coffee as desired.