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The Ultimate Guide to Irresistible French Onion Beef Sloppy Joes

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Irresistible French Onion Beef Sloppy Joes are a rich, savory twist on a classic sandwich, featuring caramelized onions, seasoned beef, and melted Swiss cheese on toasted buns.

Ingredients

  • 1 pound ground beef (85% lean)
  • 1 large onion, thinly sliced
  • 2 cloves garlic, minced
  • 1 tablespoon olive oil
  • 1 teaspoon Worcestershire sauce
  • 1 teaspoon soy sauce
  • 1 cup shredded Swiss cheese
  • 4 hamburger buns
  • Fresh parsley (optional for garnish)
  • Salt and pepper to taste

Instructions

  1. Heat olive oil in a large skillet over medium heat.
  2. Add sliced onions and cook for 10–12 minutes until golden and caramelized.
  3. Stir in garlic and cook for 1–2 minutes until fragrant.
  4. Add ground beef and cook until fully browned, breaking it apart as it cooks.
  5. Drain excess fat, then stir in Worcestershire sauce, soy sauce, salt, and pepper.
  6. Simmer for 5 minutes to blend flavors.
  7. Toast hamburger buns until lightly golden.
  8. Scoop beef mixture onto buns, top with Swiss cheese, and close with top bun.
  9. Garnish with parsley if desired and serve warm.

Notes

  • Cook onions slowly for best caramelization and flavor.
  • Use good-quality Swiss cheese for a richer taste.
  • Serve immediately while hot and cheesy.