When buying the farm, olive trees were already planted on it. Not being a person to let opportunities go by Reni decided to put the olives to good use. After spending some time in Tuscany, she tried her hand at making olive oil.

Today, Hildenbrand olive oil are sought after by oil connoisseurs across the country. Reni is certified olive oil taster. Her first book "Olives and Oils in South Africa" was launched in October 2003.