A typical serving holds about 500-600 calories, primarily derived from pork, breading, and frying oil. It is also a potent source of protein, offering approximately 25-35 grams per portion. The deep-frying method contributes to a fat content of roughly 20-30 grams, while the panko breadcrumbs and the sauce add 20-30 grams of carbohydrates to the mix. While Tonkatsu isn't inherently rich in fiber, a traditional side dish of cabbage salad can supplement this.