How Many Calories Are in Fermented Bread? A Comprehensive Guide
                                
                                
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                                    5 min read                                
                            
                                Did you know that a 1-ounce slice of sourdough white bread contains approximately 77 calories, which is very similar to a standard slice of white bread? When asking how many calories are in fermented bread, the answer is more nuanced, depending heavily on ingredients and portion size.