How many calories does a Belgian bun have? A nutritional breakdown
                                
                                
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                                    4 min read                                
                            
                                According to nutritional data from Greggs, a single Belgian bun contains 374 kcal, a notable contribution to one's daily intake. This figure can vary significantly based on size, recipe, and whether it's a homemade treat or a supermarket bun, so knowing the specifics can help you make informed choices about your snack.