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Irresistible French Onion Beef Sloppy Joes Recipe

4.4 from 131 reviews

This Irresistible French Onion Beef Sloppy Joes recipe combines the rich, caramelized flavors of French onions with savory ground beef in a hearty sandwich. Topped with melted Swiss cheese and served on toasted buns, it’s a delicious twist on the classic sloppy joe, perfect for a comforting meal any day of the week.

Ingredients

Scale

Main 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 (optional for garnish)

Instructions

  1. Heat the Oil and Caramelize Onions: Heat 1 tablespoon of olive oil in a large skillet over medium heat. Add the thinly sliced onion and cook for 10-12 minutes, stirring often, until they become golden and caramelized, developing a rich and sweet flavor base.
  2. Add Garlic: Stir in the minced garlic and cook for an additional 1-2 minutes to release its aroma without burning.
  3. Cook the Ground Beef: Add 1 pound of ground beef to the skillet. Cook it thoroughly until fully browned, breaking it apart with a spatula to ensure even cooking and no large clumps remain.
  4. Season the Meat Mixture: Drain any excess fat from the skillet. Then, stir in 1 teaspoon each of Worcestershire sauce and soy sauce, 1 teaspoon dried thyme, along with salt and pepper to taste. These ingredients add depth and a savory umami kick to the sloppy joe mixture.
  5. Simmer the Mixture: Let the combined mixture simmer for another 5 minutes. This allows the flavors to meld beautifully, making the filling juicy and flavorful.
  6. Toast the Buns: While the meat simmers, toast the 4 hamburger buns until golden and slightly crisp to provide a sturdy base and contrast in texture to the juicy beef.
  7. Assemble the Sloppy Joes: Spoon the French onion beef mixture onto the bottom half of each toasted bun. Top generously with 1 cup of shredded Swiss cheese so that it slightly melts from the residual heat. Optionally, sprinkle chopped fresh parsley on top for color and freshness.
  8. Serve: Place the top bun over the cheese and serve immediately while warm and delicious.

Notes

  • For extra richness, use a mix of Swiss and Gruyère cheese.
  • Caramelizing onions slowly is key to developing the deep flavor—don’t rush this step.
  • You can add a splash of red wine during the simmer for a more complex sauce.
  • Serve with pickles or a side salad for a balanced meal.
  • Leftovers can be stored in an airtight container in the refrigerator for up to 3 days.

Keywords: French Onion, Sloppy Joes, Ground Beef Sandwich, Caramelized Onions, Swiss Cheese, Easy Dinner Recipe