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Best French Onion Sloppy Joes Recipe

These French Onion Beef Sloppy Joes elevate classic comfort food with rich caramelized onions, savory beef, and melted Swiss cheese for a gourmet twist ready in just 35 minutes.
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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 4 servings
Course: Sandwich
Cuisine: American
Calories: 485
Ingredients Method Notes

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 teaspoon dried thyme
  • Salt and pepper to taste
  • 4 hamburger buns
  • 1 cup shredded Swiss cheese
  • Fresh parsley chopped

Method
 

  1. Heat olive oil in a skillet over medium heat.
  2. Add sliced onions and cook 10-12 minutes until caramelized.
  3. Stir in garlic and cook 1-2 minutes.
  4. Add ground beef and brown fully, breaking it apart.
  5. Drain fat, then stir in Worcestershire, soy sauce, thyme, salt, and pepper.
  6. Simmer 5 minutes to meld flavors.
  7. Toast hamburger buns until golden.
  8. Assemble by topping buns with beef mixture and Swiss cheese.
  9. Garnish with parsley and serve.

Notes

Caramelize onions fully for authentic French onion flavor; toast buns to prevent sogginess and use freshly shredded cheese for best melting.