How many calories are in 20g of cooked onions?
                                
                                
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                                    3 min read                                
                            
                                According to one database, 20 grams of plain, boiled onions contain approximately 8-9 calories, but the amount can change depending on the cooking method. The answer to how many calories are in 20g of cooked onions is largely determined by whether or not extra fats are used in preparation. Understanding this difference is key for accurate nutritional tracking.