Throw all ingredients into a blender (or magic bullet blender cup) and blend until smooth. Scrape down any flour stuck to the sides of the blender walls, and blend again until lump free.
Heat a good quality nonstick pan, crêpe maker or crêpe pan over medium heat and lightly grease with a small amount of melted butter.
Pour 1/4 cup of the batter onto the pan and quickly swirl the pan so the batter covers the whole inside. (If using a crepe maker, follow manufacturers instructions.) Cook for 1 minute, loosen around the edge with a spatula or your fingertips (be careful not to burn yourself), and flip. Cook for a further 45 seconds - 1 minute.
Slide the crepe out of the pan onto a plate and repeat with remaining batter, lightly greasing the pan in between crepes.
Serve with a scoop of Eggnog cheesecake filling and the sugar coated mixed berries.
Notes
Make sure you are quick with swirling the batter around the pan to ensure your crepes are nice and thin.