Add the milk, eggs, potato purée , melted butter, maple syrup and vanilla to a blender and whizz until smooth.
Place the flour, baking powder, cinnamon and nutmeg into a bowl, stir well and make a well in the centre.
Gently whisk the wet mixture into the flour until it forms into a smooth, silky batter.
Heat a pan over a medium heat with a very small amount of rapeseed oil until hot. Using an ice-cream scoop, add a measure of batter to the pan.
Cook the pancake without moving until the top bubbles up, then flip over and cook the other side until golden.
Remove from the pan and transfer to a plate in a warm oven while you repeat until all the batter has been used up.
Place the blueberries into a pot with 1 tablespoon of water, heat gently then gently mash. Serve pancakes with a dollop of Greek yogurt and a heaped tablespoon of berries.