To a blender, add the hazelnut butter, cocoa powder, coconut milk, powdered erythritol, and a dash of sea salt. Blend the ingredients on medium to high speed until smooth and creamy. Scrape down the blender to ensure that the hazelnut butter and cocoa powder are fully incorporated.
Step 2
Taste the smoothie and adjust the sweetness or the amount of cocoa powder to your liking. Serve immediately. Keep any leftover smoothie in an airtight jar in the refrigerator for up to 24 hours.