Description
French Onion Beef Sloppy Joes combine savory ground beef, deeply caramelized onions, and melted Gruyรจre cheese on a toasted bun. This hearty comfort food sandwich delivers rich, cozy flavor in every bite and makes an easy weeknight dinner or satisfying lunch.
Ingredients
Scale
- 1 lb ground beef (80/20)
- 2 large yellow onions, thinly sliced
- 2 tablespoons unsalted butter
- 1 tablespoon olive oil
- 2 cloves garlic, minced
- 1 tablespoon Worcestershire sauce
- 1 teaspoon fresh thyme leaves (or 1/2 teaspoon dried thyme)
- 1 tablespoon all-purpose flour
- 3/4 cup beef broth
- 1/2 teaspoon salt (adjust to taste)
- 1/2 teaspoon freshly ground black pepper
- 1 cup shredded Gruyรจre or Swiss cheese
- 4 sturdy sandwich buns or brioche buns
- 1 tablespoon butter (for toasting buns)
- Extra cheese for topping (optional)
Instructions
- Melt butter and olive oil in a large skillet over medium heat.
- Add sliced onions with a pinch of salt and cook 20โ25 minutes, stirring occasionally, until deeply golden and caramelized.
- Stir in garlic and thyme and cook 1 minute until fragrant.
- Push onions to one side and add ground beef. Cook 6โ8 minutes, breaking apart, until browned. Drain excess grease if needed.
- Mix onions and beef together. Sprinkle flour over mixture and stir well.
- Slowly pour in beef broth and Worcestershire sauce, stirring continuously.
- Simmer 5โ7 minutes until thickened and saucy. Season with salt and pepper.
- Reduce heat to low and stir in shredded cheese until melted and incorporated.
- Butter and toast buns in a separate pan until golden brown.
- Spoon beef mixture onto bottom buns. Add extra cheese if desired.
- Broil 1โ2 minutes until cheese is bubbly (optional).
- Top with remaining bun halves and serve warm.
Notes
- Deglaze pan with a splash of white wine before adding broth for deeper flavor.
- Ground turkey can replace beef for a lighter option.
- Gruyรจre offers authentic flavor, but Swiss or provolone work well.
- Store filling separately in refrigerator up to 3 days and reheat gently.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Category: Lunch
- Method: Stovetop
- Cuisine: American
Nutrition
- Serving Size: 1 sandwich
- Calories: 520
- Sugar: 6 g
- Sodium: 680 mg
- Fat: 30 g
- Saturated Fat: 13 g
- Unsaturated Fat: 14 g
- Trans Fat: 0 g
- Carbohydrates: 32 g
- Fiber: 2 g
- Protein: 28 g
- Cholesterol: 85 mg