How Many Calories Are in a Slice of Carrot Cake with Icing?
                                
                                
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                                    5 min read                                
                            
                                One generous slice of traditional carrot cake with cream cheese frosting from a commercial bakery can contain around 650 calories. However, the exact calorie count can vary dramatically depending on the recipe, ingredients, and portion size, from around 300 to over 700 calories per slice.