Roast Beef Grilled Cheese Sandwich from Closet Cooking

Moist and tender roast beef along with sauteed onions and peppers in grilled cheese form is a truly decadent way to enjoy your leftovers! A touch of horseradish gives this sandwich a bit of bite and if you have any gravy leftover feel free to use it for dipping!

Servings: makes 1 sandwich

Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
  • 1/2 tablespoon oil
  • 1/2 onion (sliced)
  • 1/4 bell pepper (sliced)
  • 2 slices roast beef
  • 2 slices swiss or provolone or mozzarella cheese
  • 1/2 tablespoon horseradish
  • 1 tablespoon gravy
  • 1 tablespoon butter, room temperature
  • 2 slices bread
  1. Heat the oil in a pan.
  2. Add the onion and saute until tender, about 5-7 minutes.
  3. Add the bell pepper and saute until tender, about 5 minutes.
  4. Assemble sandwich and grill until golden brown and the cheese has melted, about 2-4 minutes per side.