I drink butterfly pea flower tea

Tea from Butterfly Pea Flowers (Clitoria ternatea) operates draining and support the eyesight.
The flowers containing the powerful antioxidant blue proanthocyanidin.
The butterfly flower tea tastes a bit like black tea, but the taste is quite slight.

Recipe: Butterfly Pea Flower (Clitoria ternatea) Tea
10 dried flowers per cup of tea are recommended
Scald the dried flowers with boiling water to clean them.
Drain the flowers through a sieve and pour the liquid away.
Than scald the flowers again with boiling water and let them infuse about 5 – 10 minutes.
Drain again through a sieve and serve the flower tea hot or chilled, sweeten with sugar or honey.
You can add the flowers to other fruit- or herbal tea mixes as well.
Alternatively add the infusion to fruit juice or cocktails.

http://www.the-foodist.com/recipes/clitoria-ternatea-butterfly-pea-flower-tea-recipe/