
The Open-Faced Roast Beef Sandwich is a hearty, deconstructed sandwich where slices of tender roast beef are piled onto a single slice of bread, often smothered in rich gravy and topped with caramelized onions or melted cheese. It's a classic comfort food staple in American diners and pubs, particularly popular in the Northeastern United States and the Midwest. The dish transforms a simple sandwich into a knife-and-fork meal, often served with a side of mashed potatoes or fries.
This dish is a significant source of protein from the beef, but is also high in fat and calories, especially when prepared with gravy and cheese. A typical serving can range from 500 to over 800 calories, providing iron, zinc, and B vitamins from the meat, alongside carbohydrates from the bread base.
| Calories | 450 kcal |
| Protein | 30 g |
| Carbs | 35 g |
| Fat | 20 g |
| Fiber | 3 g |
| Sugar | 5 g |
| Sodium | 800 mg |
| Iron | 4 mg |
| Zinc | 6 mg |
| Vitamin B12 | 2.5 mcg |
| Niacin (B3) | 8 mg |
| Selenium | 30 mcg |
| Phosphorus | 250 mg |
| Potassium | 350 mg |
| Vitamin C | 5 mg |
Per 1 sandwich (200 g) · estimated, varies by recipe
Culturally, it's a prime example of 'blue-plate special' diner fare, representing hearty, no-frills American cooking. Nutritionally, it's a dense, energy-rich meal designed for sustenance, making it a popular choice for a filling lunch or dinner.