Intermittent fasting beverages
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Keto Ice tea – A blue idea from another planet

Keto Ice tea would be any herbal tea with ice cubes and maybe a slice of lemon. Well, this can be right, but also it can be tricky. Unsweetened tea, if it’s not made with peaches or some other fruits, in fact, is a welcome drink in the fast-approaching days of heat. However, the offer of colourful drinks from the carby world can ofter look unfairly attractive. We must admit, and I believe even science would agree, when food is colourful, it attracts us. In our Keto world, not many natural options are left when it comes to colourful summer and spring drinks.

We already covered the subject of Keto friendly fruit juices. We also gave you the idea of how to make wonderful watermelon granita without worrying about the excess carbs and fructose. And then, we presented you our wonderful Keto infused water that serves as pure refreshment after the festivity days.

However, we still did not cover the subject of Keto ice-tea. And in fact, ice tea could be your best friend even during the fasting hours. That is if you decide not to add industrial sweeteners.

Interestingly, the world of ice-tea is much deeper than many Ketonians think. There’s so much more than lemon or peach ice tea which carby world usually offers.

The history of Ice-Tea

From American and English cookbooks, we can learn that tea has been served cold since the early 19th century when popular black tea with the addition of alcohol was particularly popular. The popularity of ice tea has increased with the development of cooling systems: refrigerators and ice production. The term refrigerator (refrigerator, freezer) has been used since 1830.

A cookbook from 1839 describes the usual method of making iced tea:

  • Pour 700 ml of strong black tea over 500 g of sugar 😮 😮 SHOCK 😮 😮
  • Add 250 ml of thick sweet cream and gradually mix it with sweet wine or champagne.
  • Heat to boiling and serve hot or cold in large glasses.

The oldest printed recipe for iced tea was found in the cookbook “Housekeeping in Old Virginia from 1879, in which green tea is poured over ice and two tablespoons of sugar 😮 😮 AGAIN SHOCK 😮 😮 and a little freshly squeezed lemon juice is added. Later recipes, since the end of the 19th century, feature black tea, which is commonly used today.

Why am I shocked? Well, even 2 tablespoons of sugar per serving would be too much for me, even if I wasn’t Ketonian. I remember using max. 1/2 teaspoon of sugar for a cup tea before I went Paleo, and that’s years before Keto…

Back to the future of ice tea

By the beginning of the 20th century, recipes for iced tea became almost a compulsory part of many cookbooks. The preference of black tea over the greens has been boosted by large quantities of cheap imported black tea from India, Ceylon, South America and Africa. In 1904, ice tea reached a peak of massive consumption at the World Fair in St. Louise. It was summer, it was hot and the best way to freshen up visitors in ice tea offered by the Englishman Richard Blechynden. During the Second World War, the main sources of green tea came through Britain from India, and in today’s globalisation, tea is being drunk in huge quantities all over the world.

A colourful twist on Keto ice Tea

So, at Greek Goes Keto we love colours, unusualness and bold new ways to discover the new taste, macro and micronutrients. Simply said, we love to enjoy our Keto Mediterranean life! As a foodie, I always twinkle like a little star on a spring night sky when I see blue! Yes, there’s natural, edible, totally good for you beverage on this planet that can be utilised for cooking and even baking and it comes from a plant that is used for tea preparation for centuries.

Butterfly pea (Clitoria ternatea)

 This plant is native to tropical Asia, but it can grow in all continents. It is a perennial plant that grows like a crawler. The most striking detail is its deep blue blossoms. The flowers grow separately and have a yellow spot in the middle of the flower. The flowers are 4 cm long and about 3 cm wide. It is most often grown as an ornamental plant or as a replanting plant such as in coal mines in Australia. Its roots regulate nitrogen in the soil so it is used as a plant for soil rejuvenation. It enriches the soil, it actually acts as an amplifier. Interestingly, it does not require much care when breeding.

Keto ice Tea idea – from ancient to futuristic

In traditional Ayurvedic medicine, the plant has been used for centuries to improve memory, against stress, anxiety, and depression, as a soothing beverage and sedative. Furthermore, in Southeast Asia, flowers are used for colouring food. And then in Burma, flowers are used as food, dipped in batter and fried. Now that’s something I want to try and it looks so alien and futuristic to me! Almost like Romulan or Andorian ale. Butterfly pea is also used for preparing various dishes and juice. I can see it in Keto jellos, puddings, gumdrops, and even cake… Ideas are being born!

Amazing health advantages of sipping butterfly pea tea include:

  • 1. antioxidants and eleven varieties of flavonol glycosides! High intensity of anthocyanin, proanthocyanidin stops the damaging consequences of free radicals. This helps to enhance overall cellular health by inhibiting premature ageing.
    2. Proanthocyanidin is one of the most potent antioxidants as it is able to boost collagen and resiliency in skin cells.
  • 3. Butterfly pea tea has anti-glycation features. Glycation is damage caused to protein because of sugar molecules and it is one of the principal reasons for skin ageing.
    4. Butterfly pea tea can boost brain power! Read more about it in this scientific study
    Blue tea has been utilised for ages in traditional Ayurvedic medicine as a memory booster and antidepressant.
  • 5. Butterfly pea tea is extremely good for people experiencing constant exhaustion as it increases vitality. It also has mild analgesic properties (pain reducing).
    6. The flowers are high in Bioflavonoids which is excellent for reparation and regrowth of the hair.

Fun fact

If you add acidic stuff, such as lemon juice, the colour will turn violet. On the other side, if you add something which is alkaline, a dash of baking soda or sparkling mineral water, the colour will turn turquoise to green. So, let’s play with our Keto ice tea from another planet! (Acxtually from ours 😉 )

Keto Blue Ice Tea

Roberta Kapsalis
Prep Time 5 mins
resting 20 mins
Course Keto refreshment
Cuisine Keto International
Servings 1


  • 10 dried flowers of butterfly pea or 1 tbsp butterfly pea powder
  • 250 ml (1 cup) water boiling
  • 1 tsp stevia leaves dried
  • 12 cubes ice You can also freeze previously made blue tea to get blue ice

Light blue ice tea

  • 100 ml (1/2 cup) coconut or goat cream

Dark purple ice tea

  • 2 tbsp lemon or lime juice
  • 1 slice lemon or lime


  • Boil the water. Place butterfly pea flowers or powder together with stevia leaves in a ceramic or clay bowl. Cover with boiling water and then cover with a plate or a lid. Let it infuse and cool down at least halfway. 
  • In a tall glass, place ice cubes and cream for the light blue version. Now add well-infused butterfly pea tea. Pour through a strainer. For the dark violet version, pour the tea over the ice cubes, and then add lemon or lime juice and slices. 
  • It would be ideal to perform all this immediately before serving because the tea tastes the best when served freshly. 
Keyword Blue Ice Tea

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