Sink your teeth into the ultimate comfort food with *The Best Roast Beef Sandwich*! This mouthwatering masterpiece layers tender roast beef, melty provolone cheese, and a tangy horseradish-mayo spread between perfectly golden sourdough bread. Elevate the flavor profile with baby arugula, juicy tomato slices, and a touch of red onion for crunch and brightness. Toasted to perfection on a griddle, this sandwich is a symphony of textures—crispy on the outside and irresistibly gooey in the center. Ready in just 15 minutes, it’s a quick and satisfying lunch or dinner option that will have your taste buds begging for more. Perfectly seasoned and packed with flavor, this is a roast beef sandwich done right!
Preheat a skillet or griddle over medium heat.
Spread butter evenly on one side of each slice of sourdough bread.
Place two slices of bread, buttered side down, onto the skillet.
Top each slice with 4 ounces of roast beef and a slice of provolone cheese.
In a small bowl, mix together the mayonnaise and horseradish sauce. Spread the mixture on the unbuttered sides of the remaining bread slices.
Once the cheese starts to melt and the bottom bread slices are golden brown (about 2–3 minutes), place the bread with the horseradish mixture on top, unbuttered side facing in.
Carefully flip the sandwiches and cook for an additional 2 minutes, until the bread is golden brown and the cheese is fully melted.
Remove sandwiches from heat and carefully open them up. Add a layer of baby arugula, tomato slices, and red onion slices. Sprinkle with a pinch of kosher salt and black pepper.
Close the sandwiches, slice in half, and serve warm.
Serving size | 807.9 grams (807.9g) |
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Amount per serving | % Daily Value* |
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Calories | 1722 |
Total Fat 97.10g | 124% |
Saturated Fat 32.60g | 163% |
Polyunsaturated Fat 14.00g | |
Cholesterol 245mg | 82% |
Sodium 4386mg | 191% |
Total Carbohydrate 152.70g | 56% |
Dietary Fiber 9.30g | 33% |
Total Sugars 23.90g | |
Protein 65.30g | 131% |
Vitamin D 16IU | 81% |
Calcium 614mg | 47% |
Iron 9mg | 49% |
Potassium 1377mg | 29% |
Source of Calories