It’s a well known fact that ice cubes made of water dilutes drinks, so one solution is using coffee ice cubes instead.
Many people have begun using fruit puree ice cubes and even wine ice cubes in their drinks, but coffee ice cubes are excellent for certain drinks.
Simply brew your favourite coffee and wait for it to cool. Then add it to the ice trays and allow it to freeze.
Another cool idea is to use expresso instead of coffee to make your ice cubes.
For a range of cocktails and drinks that will go perfectly with your coffee cubes, go to https://www.alcoholprofessor.com/blog/2016/08/05/coffee-ice-cubes-your-perfect-summer-drink-ingredient/