According to ancient Ayurvedic tradition, barley water is a great weight-loss drink.
Thought to 'reduce fat' and relieve 'swelling and water retention', you can enjoy both the water and the grain after cooking.
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To make, heat two litres of water and add a cup of pearl barley, bringing to the boil. Reduce to a simmer and cook until the grains are soft and tender. Drain (reserving water), and drink plain or mixed with honey and lemon.
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Barley water is best consumed cold and within three days of cooking.