Which oil is healthiest to fry with?
                                
                                
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                                    5 min read                                
                            
                                According to the Heart Foundation, oils rich in polyunsaturated fats like standard sunflower oil should be avoided for high-temperature deep frying due to the formation of undesirable compounds. This raises a critical question for home cooks: which oil is healthiest to fry with, and what factors truly determine its suitability for high-heat cooking?