Ultimate Roast Beef Blues Sandwich

A gourmet sandwich featuring roast beef, tangy blue cheese, and caramelized onions on crusty bread for a bold flavor experience.

Ingredients

  • 4 whole wheat sub rolls, lightly toasted
  • 1/3 cup light mayonnaise 16 fresh basil leaves
  • 1 pound thinly sliced cooked deli roast beef
  • 3/4 cup crumbled blue cheese 1/2 cup toasted walnuts