What Does Toasting a Bagel Do? The Science of a Perfect Crunch
                                
                                
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                                    4 min read                                
                            
                                According to food scientists, heating bread above 300°F triggers a complex series of chemical reactions, and this is exactly what happens when you toast a bagel. This process fundamentally transforms a bagel's taste and texture, creating a warm, crispy exterior and a soft, chewy interior.