How many calories are in a blackberry crumble?
                                
                                
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                                    4 min read                                
                            
                                According to several recipe sources, a standard portion of homemade blackberry crumble can range from 250 to over 600 calories, depending heavily on the ingredients and portion size. This wide range explains why determining how many calories are in a blackberry crumble is not a one-size-fits-all answer.