"Imagine a rooibos tea with a strong vanilla note, " said Mr. Theofilatos.

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Later, when they were married and Portman was pregnant, she enjoyed drinking rooibos tea, an African blend that is supposed to help with digestion.

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When the resort opened back in 1997 there was muttering from rock art enthusiasts, who had previously enjoyed free run of the neglected farmland here that once grew grapefruit, oranges and rooibos tea.

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Her customers have come up with new ideas, inspired by her product, and such collaborations have resulted in additional products, including Rooibos tea with Blyss cocoa beans and bath essences with Blyss cocoa extract.

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Anyone who sends a tweet to the machine while standing in front of it will receive a free sample of BOS Ice Tea, a popular organic beverage made in South Africa from Rooibos, an indigenous plant which locals have used to make traditional tea for hundreds of years.

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