A luxurious homestyle beef burger with sweet slow-cooked onions, lettuce and tomato, and a golden toasted bun. A Nurtosh favourite for an elevated homemade burger night.
Prep: 15 minutes Cook: 15–25 minutes Servings: 2
Ingredients
- 340 g ground beef (80/20 blend)
- 2 brioche or potato burger buns
- 40 g Gruyère (or 2 slices)
- 1 large onion, thinly sliced
- 2 tablespoons mayonnaise
- 1 teaspoon Dijon mustard
- 1 teaspoon neutral cooking oil
- 1/4 teaspoon fine salt
- 1/4 teaspoon freshly ground black pepper
- lettuce and tomato
Instructions
- Prepare the topping: Cook the onion in a little oil over medium-low heat for 15–20 minutes until deeply golden.
- Gently shape beef into 2 patties, slightly wider than the buns; avoid overworking. Season both sides with salt and black pepper.
- Heat a skillet over medium-high heat. Sear the patties, turning once or as needed for even cooking. Cook until the centre of every beef patty reaches 71°C / 160°F on a food thermometer. Cooking time depends on thickness and heat.
- Add Gruyère during the final minute of cooking (or just after cooking for blue cheese). Let it soften while the patties rest briefly.
- Mix mayonnaise with Dijon mustard for a quick sauce; adjust to taste. Toast the cut sides of the burger buns until lightly golden.
- Spread sauce on the buns, layer with lettuce and tomato, add the beef and caramelized onion topping, then close and serve immediately.
Nurtosh kitchen tip
The secret to this homestyle burger is to keep the beef cold until cooking and toast the buns just before assembly. Serve with oven fries or a fresh salad.
Food safety: Cook ground beef to an internal temperature of 71°C / 160°F.
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