Exactly How Much Oil is in Hidden Valley Ranch Dressing?
                                
                                
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                                    4 min read                                
                            
                                As the first ingredient listed on a standard bottle, vegetable oil (soybean and/or canola) is the most abundant component of Hidden Valley Ranch, comprising nearly 45% of its total volume. This fact often comes as a surprise to consumers, who might assume buttermilk or herbs are the main ingredients.