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Portobello Roast Beef Hoagies

It doesn't get much easier than this delicious sandwich which features Portobello mushrooms, roast beef and provolone cheese. My sister and I love this gourmet-tasting sandwich.—Tabitha Freeman of Middletown, Connecticut
  • Total Time
    Prep/Total Time: 15 min.
  • Makes
    4 servings


  • 4 whole wheat hoagie buns, split
  • 4 tablespoons butter, softened, divided
  • 1 teaspoon Italian seasoning
  • 1/4 teaspoon garlic salt
  • 3/4 pound sliced deli roast beef, julienned
  • 1/2 pound sliced baby portobello mushrooms
  • 1 teaspoon dried rosemary, crushed
  • 1/4 teaspoon pepper
  • 1/2 pound sliced provolone cheese
  • 1/2 cup sour cream
  • 1 tablespoon prepared horseradish


  • Spread cut sides of buns with 2 tablespoons butter; sprinkle with Italian seasoning and garlic salt. Set aside.
  • In a large skillet, saute the beef, mushrooms, rosemary and pepper in remaining butter until mushrooms are tender. Spoon onto buns; top with cheese.
  • Place on a baking sheet. Broil 2-3 in. from the heat for 2-4 minutes or until cheese is melted. In a small bowl, combine sour cream and horseradish; serve with sandwiches.
Nutrition Facts
1 each: 722 calories, 39g fat (22g saturated fat), 136mg cholesterol, 1637mg sodium, 53g carbohydrate (10g sugars, 8g fiber), 43g protein.
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Average Rating:
  • Joscy
    Jun 5, 2013

    Plan on making these soon, though will leave out horseradish. A great side dish would be homemade potato salad.

  • pajamaangel
    Nov 27, 2012

    No comment left

  • lauramarielawson
    Oct 8, 2012

    My husband LOVES these

  • dgonzo
    Jul 12, 2012

    My husband LOVES this sandwich! I sauté sliced onions with the mushrooms and beef.

  • y2valerie
    Sep 30, 2011

    is that the correct calorie count seems very high or is tha t for the whole recipe

  • mrskgraves
    Sep 8, 2011

    No comment left

  • cheezhed68
    Apr 27, 2011

    No comment left

  • Seminoles
    Jun 4, 2010

    Great! Fast and yummy.

  • kristinafoss
    Apr 15, 2010

    My husband likes roast beef sandwhiches so I thought I'd give it a try. It was very fast and the whole family loved it!

  • Maggie82433
    Aug 2, 2009

    Really really like these. Easy, quick, and delicious. Will try another variety of this using ham and swiss.