Preheat your broiler to high. Spread mini marshmallows in a single layer on a baking sheet. Place them under the broiler for 1-2 minutes, watching carefully for a golden brown color.

In a medium saucepan, combine whole milk, heavy cream, and sweetened condensed milk over medium heat. Whisk gently, heating for about 5 minutes until warmed through but not boiling.

Add the toasted marshmallows and marshmallow fluff to the warmed mixture in the saucepan. Whisk for around 3-4 minutes until the marshmallows are fully melted.

Remove from heat and stir in the vanilla and almond extracts. Whisk until fully incorporated.

Allow the creamer to cool slightly before transferring it to a mason jar or an airtight container. Store in the fridge for up to a week.