How many calories are in a slice of apple tart and custard?
                                
                                
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                                    4 min read                                
                            
                                A slice of apple tart with custard can contain anywhere from 294 to over 500 calories, a wide range that depends heavily on the recipe and serving size. The significant variation in how many calories are in a slice of apple tart and custard is due to factors like the type of pastry, amount of sugar, and richness of the custard used.