🍲 Recipes

Roast Beef Subs with Balsamic Onions and Brie Cheese

By Karen Barris Calabro • Heroes, Hoagies and Subs • Cuisine?
4.50 Prep: 10m Cook: 35m
Ingredients:
  • 1 pound top round beef, cut into 1-inch pieces
  • 1 tablespoon Worcestershire sauce
  • 2 teaspoons Montreal steak seasoning
  • 1 tablespoon extra-virgin olive oil
  • 2 small sweet onions, sliced
  • ⅓ cup balsamic vinegar
  • ¼ teaspoon salt
  • ¼ teaspoon cracked black pepper
  • 1 teaspoon canola oil
  • 4 (6 inch) submarine sandwich roll, split
  • 6 ounces Brie cheese, torn into pieces
Created: Sep 23, 2025 Updated: Sep 23, 2025