American · United States
Roast Beef and Blue Cheese Sandwich with Pickled Onions
A twist on the classic roast beef sandwich with the addition of tangy pickled onions for extra flavor.
45 minutes2 servings

Ingredients
Method
- In a small saucepan, combine vinegar, sugar, mustard seeds, salt, and pepper.
- Bring to a boil, then reduce heat and simmer for 5 minutes.
- Pour mixture over sliced onions in a jar and let sit for at least 2 hours.
- Slice roast beef thinly against the grain.
- Toast bread slices in a toaster or on a griddle.
- Layer beef, onions, and blue cheese on bread.
- If using, drizzle with olive oil before serving.
- For whole cuts, check a minimum internal temperature of 63°C (145°F), then rest for at least 3 minutes before serving.





