Keeping it real: specialty retailers assure customers about the origin of their olive oil

Stella Fong, a food writer and author of the blog Last Best Plates, sometimes purchases California olive oil directly from producers such as McEnvoy Ranch in Petaluma, and Round Pound, a wine and olive estate in Rutherford. Whether the product is wine or olive oil, tracing a food to its source is educational and enhances enjoyment, she said.