
French Onion Hotdogs
These French onion hotdogs are generously topped with caramelized onions, Gruyere cheese, and a quick homemade Dijonnaise sauce.
Ingredients
Method
- Arrange a rack to the upper third position of oven. Preheat oven to broil.
- Heat oil in a large skillet over high heat until shimmering, about 30 seconds. Add onions, toss until well coated in oil, and cook undisturbed until browned on one side and slightly softened, 5 to 7 minutes. Stir onions and continue to cook undisturbed until browned on other side, 5 to 7 minutes.
- Add salt and broth and cook, making sure to scrape up any brown bits stuck to the bottom of the pan, until most of the liquid is absorbed, about 2 minutes. Stir in Worcestershire sauce, vinegar, thyme, and black pepper, and cook until fragrant and onions are brown all over, about 1 minute. Remove from heat.
- Whisk together mayo and Dijon mustard until smooth; transfer Dijonnaise sauce to a squeeze bottle if desired.
- Place hotdog buns on a large rimmed baking sheet. Add a hotdog to each bun, drizzle with prepared Dijonnaise sauce, and top with about 1/3 cup caramelized onions. Sprinkle each hotdog with a generous amount of cheese.
- Broil in the preheated oven until cheese is melted and brown, about 2 minutes. Garnish with thyme leaves.

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