Croissant Smash Burgers

Steps

1. 1

   Heat a small pan over low heat with 1 tbsp olive oil and 2 tbsp butter. Add the diced white onions, sugar, and salt. Cook slowly for 15–20 minutes, stirring occasionally, until soft, deep golden brown, and sweet. Set aside.

   Start 20-minute timer
2. 2

   In a medium bowl, combine mayonnaise, mustard, ketchup, 1/4 cup of the prepared caramelized onions, chopped pickles, salt, pepper, sugar, and vinegar. Whisk until smooth, then cover and refrigerate while you prepare the burgers.

3. 3

   In a small bowl, mix the melted unsalted butter, chopped parsley, garlic powder, garlic paste, and a pinch of salt to create the garlic butter.

4. 4

   Divide the 1.5 pounds of ground beef into 4 equal portions (about 100g to 150g each). Roll each into a ball, then flatten into thin patties shaped like a croissant, roughly 1/4-inch thick. Make them wider than the croissant as they will shrink during cooking.

5. 5

   Season one side of the patties generously with salt and pepper. Keep them chilled until you are ready to cook.

6. 6

   Cut the croissants in half horizontally. Lightly brush or spread the garlic butter onto the cut sides.

7. 7

   Toast the croissants cut-side down in a dry skillet or griddle over medium heat until golden and crispy. Remove and set aside.

8. 8

   Heat a skillet or griddle over medium-high heat and add a thin layer of oil. Add the beef patties (cook in batches of 2 to avoid overcrowding).

9. 9

   Cook for 2 minutes on the first side until well-browned. Spread a little extra yellow mustard over the uncooked side before flipping.

   Start 2-minute timer
10. 10

    Flip the patties and immediately place a slice of American cheese on each. Cook for another 1–2 minutes until the cheese is melted and the burger is cooked through.

    Start 2-minute timer
11. 11

    Assemble the burgers by spreading the prepared sauce on the toasted croissants, adding the patties, lettuce, and tomato slices. Serve immediately.