Porterhouse Steak with roasted potatoes and onions
The Porterhouse Steak with roasted potatoes and onions is a hearty, classic American steakhouse dish featuring a large, T-bone cut of beef known for its generous portion of tender filet mignon on one side. It is typically served with chunks of potatoes and onions roasted until caramelized, creating a savory, one-pan meal that emphasizes quality beef and simple, robust flavors.
🍽️ Nutrition at a glance
This dish is very high in protein from the steak and contains significant fat, especially from the marbled beef and any cooking oils or butter used. It provides key nutrients like iron, zinc, and B vitamins from the meat, along with potassium and fiber from the potatoes and onions, with a rough calorie count of 800-1200 per serving depending on the steak size and added fats.
Nutrition breakdown
| Calories | 750 kcal |
| Protein | 55 g |
| Carbs | 45 g |
| Fat | 38 g |
| Fiber | 6 g |
| Sugar | 5 g |
| Sodium | 850 mg |
| Iron | 8 mg |
| Zinc | 12 mg |
| Potassium | 1200 mg |
| Phosphorus | 550 mg |
| Vitamin B6 | 1.2 mg |
| Vitamin B12 | 4.5 mcg |
| Niacin (B3) | 15 mg |
| Selenium | 65 mcg |
Per 1 serving (approx. 450 g) · estimated, varies by recipe
💡 What's interesting
The Porterhouse is unique as it combines two prized cuts of beef—the strip and the tenderloin—in a single steak, making it a favorite for those who want variety and value. Culturally, it represents a celebratory or indulgent meal in the U.S., often associated with steakhouses and home grilling traditions, while the roasted sides add a comforting, rustic touch.
