Irresistible French Onion Beef Sloppy Joes
These french onion beef sloppy joes combine caramelized onions, savory ground beef, and melted Swiss cheese into a comforting handheld sandwich, perfect for a quick weeknight dinner.
Ingredients
For the Base
- 1 pound ground beef (85% lean)
- 1 large onion, thinly sliced
- 2 cloves garlic, minced
- 1 tablespoon olive oil
For the Seasoning
- 1 teaspoon Worcestershire sauce
- 1 teaspoon soy sauce
- to taste dried thyme substitute with fresh if available
- to taste salt keep sodium in check
- to taste black pepper
For Serving
- 4 pieces hamburger buns
- 1 cup shredded Swiss cheese
- Fresh parsley (optional for garnish)
Instructions
Caramelize the Onions
- Heat 1 tablespoon olive oil in a large skillet over medium heat until shimmering.
- Add the thinly sliced onion and cook, stirring occasionally, for 10–12 minutes until golden and caramelized.
Add Garlic
- Stir in the minced garlic and cook for an additional 1–2 minutes until fragrant.
Brown the Beef
- Push the onions to the side or remove briefly, add the ground beef to the skillet, and cook until fully browned, breaking it apart with a spatula.
- Drain any excess fat if needed.
Season and Simmer
- Stir in Worcestershire sauce, soy sauce, dried thyme, salt, and pepper.
- Let the mixture simmer for 5 minutes to meld flavors.
Toast Buns and Assemble
- Toast hamburger buns lightly until golden brown.
- Scoop the beef mixture onto each bun’s bottom half, top with 1/4 cup shredded Swiss cheese, and cover with the top bun.
Notes
For extra melt, place assembled open sandwiches briefly under a broiler or in a hot oven for 1–2 minutes. Use a wide skillet to give onions room to brown evenly. Store leftovers in an airtight container for 3–4 days.