Peel and chop the ripe banana into small pieces.
Remove seeds from dates and soak them in warm milk for 5–10 minutes (if hard).
Add banana, soaked dates, and mixed nuts into a blender.
Pour in chilled or lukewarm milk.
Blend until smooth and creamy.
Adjust thickness by adding more milk if needed.
Pour into a glass and garnish with chopped nuts.
Serve immediately for best taste and nutrition.