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Food

Ultimate Roast Beef Sandwich Recipe

posted on October 11, 20183 Comments

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  • This is the ultimate roast beef sandwich, featuring new Prime Fresh lunch meat! A kick of spice from a horseradish mayo, crunch from peppers and onions, plus melty cheese to dunk in au jus sauce. YUM!

This is the ultimate Roast Beef Sandwich! A little kick from horseradish mayo, crunchy grilled onions and peppers, plus melted cheese with Prime Fresh roast beef. YUM! The final touch: an au jus dunk! via @DashOfEvans #PrimeFreshDeli

This is a collaboration with Prime Fresh Deli. All opinions are my own.

Now that school is in full swing, I’ve been trying to stay on track with my meal planning and prep days. It honestly makes the week SO much easier! For October, I’ve planned out the entire month, including packing lunches daily. Who am I?!

This is the ultimate Roast Beef Sandwich! A little kick from horseradish mayo, crunchy grilled onions and peppers, plus melted cheese with Prime Fresh roast beef. YUM! The final touch: an au jus dunk! via @DashOfEvans #PrimeFreshDeli

Our new favorite deli style lunch meat is Prime Fresh Deli! I love that fresh lunch meat is always ready for me right in the refrigerated section. I know we’re not the only one who has fallen in love: Prime Fresh is the #1 fastest growing lunch meat in the United States!

Right now, you can enter for a chance to win $5000 on their website. The sweepstakes runs from now until November 4th. I’d love to see one of my friends win!

This is the ultimate Roast Beef Sandwich! A little kick from horseradish mayo, crunchy grilled onions and peppers, plus melted cheese with Prime Fresh roast beef. YUM! The final touch: an au jus dunk! via @DashOfEvans #PrimeFreshDeli

This sandwich has all of my favorite layers of various roast beef sandwiches in one–making it the ULTIMATE recipe. From a traditional roast beef sandwich, I love the kick of horseradish sauce, so I made a creamy mayo with those flavors. A Philly has the peppers and onions, which are a great extra crunch, so I added that layer of flavor.

If a restaurant has a French Dip, there is no way I won’t order it. The melted cheese and au jus are the best! The final layer of this awesome sandwich is the au jus dunk.

This is the ultimate Roast Beef Sandwich! A little kick from horseradish mayo, crunchy grilled onions and peppers, plus melted cheese with Prime Fresh roast beef. YUM! The final touch: an au jus dunk! via @DashOfEvans #PrimeFreshDeli

Step one: on the bottom half of a sub roll, add horseradish mayo. Lay it on as thick or thin as you want!

This is the ultimate Roast Beef Sandwich! A little kick from horseradish mayo, crunchy grilled onions and peppers, plus melted cheese with Prime Fresh roast beef. YUM! The final touch: an au jus dunk! via @DashOfEvans #PrimeFreshDeli

Step two: Add two slices of provolone cheese. This will be the gooey glue for the roast beef and peppers.

This is the ultimate Roast Beef Sandwich! A little kick from horseradish mayo, crunchy grilled onions and peppers, plus melted cheese with Prime Fresh roast beef. YUM! The final touch: an au jus dunk! via @DashOfEvans #PrimeFreshDeli

Step three: Add the roast beef that’s been dunked in the au jus. It helps heat up the Prime Fresh lunch meat before roasting, plus adds a little extra flavor!

This is the ultimate Roast Beef Sandwich! A little kick from horseradish mayo, crunchy grilled onions and peppers, plus melted cheese with Prime Fresh roast beef. YUM! The final touch: an au jus dunk! via @DashOfEvans #PrimeFreshDeli

Step four: Add the grilled peppers and onions. These are totally optional, but highly recommended!

Bake in the oven until golden and melted–voila, you have the ULTIMATE Roast Beef Sandwich!

5 from 2 votes
This is the ultimate Roast Beef Sandwich! A little kick from horseradish mayo, crunchy grilled onions and peppers, plus melted cheese with Prime Fresh roast beef. YUM! The final touch: an au jus dunk! via @DashOfEvans #PrimeFreshDeli
Print
Ultimate Roast Beef Sandwich

This Prime Fresh Roast Beef Sandwich has the perfect combination of layers: melted cheese, a kick from horseradish mayo and crunch from grilled peppers and onions. YUM!

Servings: 4 sandwiches
Ingredients
Horseradish mayo
  • 1/2 cup mayonaise
  • 1 teaspoon dijon mustard
  • 1/2 teaspoon horseradish
Sandwich ingredients
  • 4 sub rolls or ciabatta rolls
  • 1 whole green bell pepper sliced in thin strips
  • 1 large white onion sliced in thin strips
  • 1/2 teaspoon Italian seasoning
  • 1 pound Prime Fresh Roast Beef (two packages)
  • 1 packet au jus seasoning
  • 1 package sliced provolone cheese
Instructions
To make the horseradish mayo
  1. In a small container with a lid, stir in mayo, horseradish and Dijon mustard. Stir until mixed together, then cover and refrigerate until ready to assemble the sandwiches.

Peppers & onions
Heat a skillet over medium-high heat. Put 1 tablespoon oil in the pan. Add peppers and onions, stirring frequently with a flat spatula.
  1. After about 8-9 minutes, or when softening and turning golden, season with Italian seasoning.

  2. Remove from heat and set aside until ready to assemble.

Sandwich
  1. Prepare the au jus as directed on package in a saucepan. You'll need room to add roast beef, so use a medium to large sized one.

  2. Once au jus is heated through, add meat with tongs. Turn off heat and stir so meat is all covered.

  3. Preheat the oven to 350ΒΊ. Line a cookie sheet with foil and coat with cooking spray.

  4. To assemble: Spread mayo on bottom half of the roll. Add 2 slices of provolone cheese to each roll. Take the meat out of the au jus with tongs and place 4-6 slices on each roll. Top with peppers and onions.

  5. Bake open faced for 4-6 minutes, until cheese is melted.

  6. Ladle au jus in a small dish for dunking. Serve sandwich immediately.

This is the ultimate Roast Beef Sandwich! A little kick from horseradish mayo, crunchy grilled onions and peppers, plus melted cheese with Prime Fresh roast beef. YUM! The final touch: an au jus dunk! via @DashOfEvans #PrimeFreshDeli

Feel free to prep the mayo and peppers and onions ahead of time for quicker assembly. Store leftover roast beef in the au jus to keep moist. It’s great as leftovers, too!

Have you tried Prime Fresh lunch meat?

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  • Looking for new #LunchboxIdeas? Try this Cheesy Chicken Fajita rollup with a side of ranch. The kiddos will love this fun twist on a sandwich! via @DashOfEvansCheesy Chicken Fajita Wrap
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Reader Interactions

Comments

  1. Summer says

    September 18, 2019 at 1:46 pm

    5 stars
    Hi! I fixed this for my husband for lunch today! It was excellent! Also my first time making this- was always too intimidated before. Thank You so much! He ate twice what he normally would!

    Reply
  2. Tina Burgett says

    October 8, 2019 at 2:46 am

    5 stars
    The Steak recipe and Roast Beef Sandwich Recipe look really good. Oh the green beans also look really good too.πŸ‘πŸ‘πŸ‘πŸ‘

    Reply

Trackbacks

  1. 20 Ridiculously Delicious Sandwich Recipes from the #BlogHealthy Community says:
    July 31, 2019 at 8:00 am

    […] Ultimate Roast Beef Sandwich from Dash of Evans // This is the ultimate roast beef sandwich, featuring new Prime Fresh lunch meat! A kick of spice from a horseradish mayo, crunch from peppers and onions, plus melty cheese to dunk in au jus sauce. YUM! […]

    Reply

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Hello! Welcome to my site!

Ashleigh Evans, founder of the blog Dash of Evans and also InBooze cocktail kits. As a mom of 4, she likes to create easy meals, using a little help from the store.

I'm Ashleigh and I live in Grand Rapids, MI! I love to create recipes with bold flavors the whole family can enjoy.

As a busy mom of 4, I love to create easy, yet delicious recipes taking a little help from the store. Everything on this site is easy to find in your favorite grocery store. I am quite the bargain shopper and I can spot a clearance sticker from a mile away.

Also check out my new line of cocktail kits, InBooze, which uses dehydrated produce to infuse your booze.

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