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Steak Burger with Béarnaise Sauce

Steak Burger with Béarnaise Sauce and Gremolata Skinny Fries


We love steaks and we love burgers, so we put them together! This yummy steak burger is served with a creamy Béarnaise sauce and skinny fries.

  • Serves: 4 |
    4 servings
  • Rating:

  • Difficulty:

  • Prep Time : 40 mins |
  • Cook Time : 40 mins
Categories: Beef & Veal, Lunch, Mains, Summer
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Béarnaise Sauce

1 large egg yolk
1 tsp (5 ml) Dijon mustard
1 tsp (5 ml) red wine vinegar
250 g salted butter, melted
1 tsp (5 ml) dried tarragon
ground black pepper


olive oil, for drizzling
600 g rump steaks
salt and pepper

Skinny Fries

2 fat cloves garlic, finely chopped
2 Tbsp (30 ml) lemon zest
2 Tbsp (30 ml) parsley, finely chopped
1 (750 g) bag skinny fries, cooked
salt and pepper

To Serve

4 sesame seed buns
60 g lettuce
½ (60 g) red onion, cut into rounds
4 large eggs, fried
handful basil leaves, to garnish (optional)

Béarnaise Sauce

Blend the egg yolk, mustard and vinegar together using a hand blender. While continuously blending, slowly pour in the warm butter in a slow steady stream until thickened. Stir in the tarragon and season with a pinch of pepper. Cover with plastic and set aside at room temperature.

TIP: Make the béarnaise sauce as close as possible to serving time as the butter will harden after a while or when refrigerated.


Drizzle a splash of oil over the steaks and season with salt and pepper.

Heat a cast-iron pan over high heat. Fry the steaks for 4 minutes on each side for medium-rare, remove from the heat and allow to rest, 5 minutes. Slice it against the grain into thin strips.

Skinny Fries

Preheat the oven to 200 °C. Place the fries on a baking tray and spread out evenly. Bake for 20-25 minutes until crisp.

Combine the garlic, lemon zest and parsley. Sprinkle it over the cooked skinny fries and season with salt and pepper.

To Serve

Layer some lettuce over the base of each bun. Add some onions, steak strips an egg to each. Add a dollop of the sauce. Add some basil leaves, if preferred, and top it off with the bun top. Serve with skinny fries and the rest of the béarnaise sauce on the side.

TIP: The steak can easily be replaced with regular burger patties or grilled chicken breasts if preferred.