For making coffee cubes take a sauce pan add 1 glass of water and keep on flame for boiling.
Now take a bowl shift both coffee into it and mix well.
When water start boiling add coffee mix in and mix well then remove from flame.
Add 3 tbsp of honey and mix well . Then leave it for room temperature.
Now take a ice tray pour the mixture of coffee and keep in deep fridge for 10 to 12 hours for set the cubes.
When your coffee cubes are ready you can use it for smoothie.
Take a mixture jar add flex seeds, oats, and banana then churn it.
Now add 5 to 6 coffee cubes and chilled milk and again churn it.
Check the mixture of smoothie if needed churn it again .
Now take a serving jaar add 2 or 3 coffee cubes then pour your smoothie mixture .
Add vanilla ice cream and sprinkle some chocolate chips and garnish with vanilla wefers.
Enjoy this yummmy and healthy smoothie any time with your friends and family.