Preheat oven to 180°C. Spray a 12-hole muffin tin with oil, or line with muffin cases.
Place all ingredients in a blender in above order & blend using the pulse action for 1–2 minutes, or until smooth & creamy. You may need to give the blender a stir to move ingredients around.
Pour the mixture into prepared muffin tin. Lightly press toppings of your choice (e.g. blueberries) into each muffin
Bake for 20–25 minutes, or until muffins are golden brown. Leave to cool for a few minutes, then remove from muffin tin & cool completely on a wire rack.