Dairy Foods' technical and development manager Dr Laurence Eyres, who until seven months ago was Massey University associate professor of food science, led the team that produced the pale yellow spread.
The idea came from Dairy Foods' marketing department, which knew many consumers were keen on alternative spreads, he said.
At Massey University, Eyres pioneered research into avocado oil, often working with Kerikeri producer Olivado, which supplies the avocado oil to Dairy Foods.
The olive oil is imported because local production, although of high quality, is not enough.
Avezzo, marketed in a 375g, olive green and yellow tub, carries the Heart Foundation Tick. An olive oil-only spread is also being marketed under the same brand.
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International Dairy Summit