How many calories are in a big bowl of tonkotsu ramen?
                                
                                
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                                    4 min read                                
                            
                                According to nutrition experts, a restaurant-sized bowl of tonkotsu ramen can contain between 800 and over 1,200 calories. The final total for a big bowl of tonkotsu ramen is highly dependent on the portion size, ingredients, and toppings included in the dish.