Caramelized Onion and Steak Sandwiches Recipe

Caramelized Onion and Steak Sandwiches Recipe

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Learn how to make the perfect caramelized onions to accompany your steak sandwich with the help of this tasty recipe.
  • 4 People

    Servings

  • 15 Mins

    Prep Time

  • 35 Mins

    Cooking Time

  • 50 Mins

    Ready In


  • 2 Tbsp. vegetable oil
  • 2 medium onions, thinly sliced, about 4 cups
  • 1 cup Hellmann's® or Best Foods® Real Mayonnaise
  • 1/2 cup balsamic vinegar
  • 12 ounces flank steak or sirloin steak, grilled or broiled, then sliced
  • 1 loaf French bread, split and cut into 4 pieces


  1. Heat oil in large nonstick skillet over medium-low heat and cook onions, stirring occasionally, until golden brown, about 25 minutes. Stir in vinegar and cook an additional 10 minutes.

  2. Remove from heat and stir in Hellmann's® or Best Foods® Real Mayonnaise. Season, if desired, with salt and pepper to taste.

  3. Evenly top bread with sliced steak and onion mixture.

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