How Many Calories in a Costco Sesame Seed Bagel?
                                
                                
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                                    3 min read                                
                            
                                According to nutritional data from sources like Fitia and MyNetDiary, a single Costco sesame seed bagel contains approximately 370 calories. This caloric content serves as a baseline, with the final tally depending heavily on any spreads or toppings you add, such as cream cheese or butter.