Easy Restaurant Style Ranch Dressing Recipe (5 minutes) The Virtual Caterer Steve Henson developed the original ranch dressing recipe while running his guest ranch, Hidden Valley, in the 1950s. What began as a house favorite became a mail order business, with customers across the Buttermilk Ranch Dressing Sip and Feast Steve Henson developed the original ranch dressing recipe while running his guest ranch, Hidden Valley, in the 1950s. What began as a house favorite became a mail order business, with customers across the Most Delicious Ranch Dressing Downshiftology