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Croissant Smash Burger

This indulgent Croissant Smash Burger features crispy, paper-thin beef patties crowned with melted cheese, caramelized onions, fresh vegetables, and creamy dill sauce, all served between buttery, toasted croissants.

  • Total Time: 45 minutes
  • Yield: 2 servings 1x

Ingredients

Scale
  • 2 large butter croissants (high-quality, fresh if possible)
  • 0.5 pound ground beef (80/20 blend for optimal flavor and juiciness)
  • 1 pinch salt (for seasoning the beef)
  • 1 pinch black pepper (freshly ground preferred)
  • 2 slices American or sharp cheddar cheese (choose your preference)
  • 1 leaf lettuce (crisp and fresh)
  • 2 thick slices tomato (ripe and juicy)
  • 1 large yellow onion (thinly sliced)
  • 1 tablespoon neutral oil (vegetable or canola)
  • 1 pinch salt (for onions)
  • 3 tablespoons mayonnaise
  • 1 tablespoon ketchup
  • 1 teaspoon mustard (yellow or Dijon)
  • 1 tablespoon finely chopped dill pickle
  • 0.5 teaspoon paprika
  • 0.5 teaspoon garlic powder
  • 0.5 teaspoon black pepper
  • 2 tablespoons melted butter
  • 1 tablespoon finely chopped fresh parsley
  • 1 pinch salt (for glaze)

Instructions

  1. Heat the neutral oil in a pan over medium-low heat. Add the thinly sliced onion and a pinch of salt, then cook slowly, stirring occasionally, until deeply golden brown and very soft, about 15-20 minutes. Set aside.
  2. In a small bowl, combine the mayonnaise, ketchup, mustard, chopped dill pickle, paprika, garlic powder, and black pepper, stirring until smooth. Set aside.
  3. Slice each croissant in half horizontally. Place the cut sides down in a pan over medium heat and toast until lightly golden and slightly crisp, about 2-3 minutes. Remove and set aside.
  4. In a small bowl, stir together the melted butter, chopped fresh parsley, and a pinch of salt. Set aside.
  5. Divide the ground beef into two portions. Place each portion between pieces of parchment paper and press firmly to form very thin, even patties. Season both sides generously with salt and black pepper.
  6. Heat a cast iron or stainless steel pan over high heat until very hot. Add the thin patties directly to the hot pan without moving them, cooking until the edges become crispy and deeply browned, about 1-2 minutes. Flip immediately and add the cheese slices. Cook until the cheese is fully melted, about 1-2 minutes longer. Remove and set aside.
  7. Spread the creamy dill sauce generously on the bottom half of each toasted croissant.
  8. Add a layer of crisp lettuce and a thick tomato slice on top of the sauce.
  9. Place the hot, cheesy smash patty directly on the vegetables, then top with the caramelized onions. Add more sauce if desired.
  10. Close the burger with the top croissant half and brush the butter parsley glaze generously over the top. Serve immediately while warm, crispy, and glossy.
  • Author: Adriana
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Dinner, Main Course
  • Cuisine: American, Gourmet

Nutrition

  • Serving Size: 1
  • Calories: 600
  • Sugar: 3g
  • Sodium: 800mg
  • Fat: 40g
  • Saturated Fat: 15g
  • Unsaturated Fat: 15g
  • Trans Fat: 0g
  • Carbohydrates: 30g
  • Fiber: 2g
  • Protein: 35g
  • Cholesterol: 100mg