Experience the ultimate comfort food with French Onion Soup Burgers, a delicious twist on the classic dish! This mouthwatering recipe combines juicy beef, sweet caramelized onions, and melted Swiss cheese on a soft brioche bun, creating a satisfying meal that's sure to impress. Get ready to elevate your burger game and bring gourmet flavors to your table.
1 lb ground beef (preferably an 80/20 blend for optimal juiciness)
1 large onion, thinly sliced
2 tablespoons unsalted butter
1 tablespoon olive oil
1 teaspoon sugar
1 teaspoon salt
1/2 teaspoon freshly cracked black pepper
1 teaspoon dried thyme
4 slices Swiss cheese
4 brioche burger buns
1 cup beef broth
1 tablespoon Worcestershire sauce
Fresh parsley, chopped (for garnish)