How many calories in an egg with onion and tomato? A definitive breakdown
                                
                                
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                                    4 min read                                
                            
                                Fact: A single large egg contains roughly 72 calories, making it a nutrient-dense base for many meals. When preparing an egg with onion and tomato, the total calorie count depends heavily on the cooking method and additional ingredients, but it remains a healthy and customizable breakfast choice.