Place a small saucepan over medium-low heat and add the almond milk, sugar-free hazelnut spread, and cocoa powder.
Whisk the mixture continuously until the hazelnut spread has melted and the liquid is completely smooth.
Add the monk fruit sweetener, vanilla extract, and sea salt while continuing to whisk.
Heat the mixture for approximately 5-7 minutes until steaming hot, ensuring it does not reach a rolling boil to avoid scorching the milk.
Remove from heat and pour into two mugs.
Optional: Top with sugar-free whipped cream or a light dusting of cocoa powder before serving.