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A close-up of a French Onion Beef Sloppy Joe sandwich showing a toasted bun filled with tender ground beef smothered in caramelized onions and melted cheese, garnished with herbs, with a side of crispy fries and a small bowl of extra onion gravy.

Comforting French Onion Beef Sloppy Joes with Melted Cheese


  • Author: Maria
  • Total Time: 40 minutes
  • Yield: 4 servings 1x
  • Diet: Dairy-Free (if cheese is omitted), Gluten-Free (with gluten-free buns)

Description

Comforting French Onion Beef Sloppy Joes with Melted Cheese are a hearty, flavorful twist on traditional sloppy joes. Combining tender ground beef, caramelized onions, savory seasonings, and melted cheese, this sandwich is perfect for a satisfying lunch or dinner. Easy to make and irresistibly delicious, it offers a comforting meal that everyone will love.


Ingredients

Scale
  • 1 pound ground beef (preferably lean)
  • 2 large onions, thinly sliced
  • 3 cloves garlic, minced
  • 1 tablespoon olive oil
  • 1 cup beef broth
  • 2 tablespoons soy sauce
  • 1 teaspoon Worcestershire sauce
  • 1 teaspoon thyme (fresh or dried)
  • Salt and pepper to taste
  • 4 hamburger buns or sandwich rolls
  • 1 cup shredded melted cheese (Gruyère, Swiss, or cheddar)

Instructions

  1. Start by heating olive oil in a large skillet over medium heat. Add the sliced onions and cook slowly, stirring occasionally, until they turn a rich golden brown and develop a sweet aroma, about 15-20 minutes.
  2. Add the ground beef to the skillet with the caramelized onions. Break it apart with a spoon and cook until browned and cooked through, about 8-10 minutes. Drain excess fat if necessary.
  3. Stir in minced garlic and cook for another minute until fragrant. Add salt, pepper, thyme, soy sauce, and Worcestershire sauce. Pour in beef broth and simmer for 10 minutes.
  4. Preheat your oven’s broiler. Spoon the beef mixture onto sandwich buns, top with shredded cheese, and place on a baking sheet. Broil for 2-3 minutes until cheese is melted and bubbly.

Notes

  • For added depth of flavor, stir in a splash of hot honey or balsamic vinegar during cooking.
  • Serve with crispy sweet potato fries or a fresh green salad for a complete meal.
  • Leftovers can be stored in an airtight container in the refrigerator for up to 3 days, reheat on the stove or oven.
  • For freezer storage, keep the beef mixture separately for up to 3 months.
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Category: Main Course
  • Method: Stovetop, Broiling
  • Cuisine: French-Inspired American

Nutrition

  • Serving Size: 1 sandwich
  • Calories: 520 Kcal
  • Sugar: 8g
  • Sodium: 950mg
  • Fat: 28g
  • Saturated Fat: 12g
  • Unsaturated Fat: 14g
  • Trans Fat: 0.5g
  • Carbohydrates: 45g
  • Fiber: 3g
  • Protein: 30g
  • Cholesterol: 90mg