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French Onion Beef Sloppy Joes

A rich, comforting twist on classic sloppy joes with caramelized onions, savory beef, and melted Gruyère cheese.
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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 4 sandwiches
Course: Dinner, Sandwich
Cuisine: American, French Fusion
Calories: 520
Ingredients Equipment Method Notes

Ingredients
  

Beef Mixture
  • 1 lb ground beef
  • 2 large yellow onions, thinly sliced
  • 3 tablespoons butter
  • 3 cloves garlic, minced
  • 1 tablespoon Worcestershire sauce
  • 0.5 cup beef broth
  • 1 tablespoon tomato paste
  • 1 teaspoon dried thyme
  • 0.5 teaspoon salt
  • 0.5 teaspoon black pepper
  • 1 teaspoon sugar optional, helps caramelize onions
For Serving
  • 1 cup shredded Gruyère or Swiss cheese
  • 4 - 6 brioche or hamburger buns
  • fresh parsley optional garnish

Equipment

  • Mixing bowls
  • Baking sheet
  • Wire rack
  • Hand mixer or stand mixer

Method
 

  1. Caramelize onions in butter until golden.
  2. Add garlic and cook for 1 minute.
  3. Add ground beef and cook until browned.
  4. Stir in tomato paste, Worcestershire, thyme, salt, and pepper.
  5. Add broth and simmer until thickened.
  6. Stir in half the cheese until melted.
  7. Toast buns, assemble, and top with extra cheese.

Notes

White wine can be added to onions for deeper French onion flavor.