How Many Calories Are in a Pistachio Croissant?
                                
                                
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                                    3 min read                                
                            
                                According to nutritional data from various bakeries, a single pistachio croissant can contain anywhere from 420 to over 580 calories, a significant variation based on its size and recipe. This rich and flaky pastry's decadent flavor comes with a surprisingly high energy cost.