Recipes & Tips

New Zealand Grass-fed Wagyu Beef Smash Burger Recipe

  • Servings: 6
  • Prep Time: 10 minutes
  • Cook Time: 25 minutes

These quick and simple homemade smash burgers from A Cozy Kitchen feature 100% New Zealand grass-fed Wagyu beef topped with cheese, lettuce, tomato, mayo and pickles.

Tip: A smash burger is a loosely packed, thin patty that is “smashed” on a hot griddle until its edges are crispy and delicious.


For the Burger Buns:

  • 6 potato buns, halved
  • 1 tablespoon unsalted butter

For the Burger Patties:

  • 2 lbs. New Zealand grass-fed Wagyu ground beef (Tip: Look for the Taste Pure Nature logo)
  • Neutral oil (Such as vegetable or avocado oil)
  • Salt and pepper, to taste

To Assemble & Serve:

  • American cheese (or any other type of cheese you like)
  • Mayonnaise, to taste
  • 2 Roma or vine ripe tomatoes
  • 1 head of butter lettuce
  • 2 dill pickles, sliced
  • Salt, to taste


For the burger buns:

  • 1. Place a pan over medium-low heat.
  • 2. Add the butter and when melted, add as many potato bun halves, interior side down, as you can. Cook until toasted and lightly golden brown, about 1 to 2 minutes.
  • 3. Remove from the pan and set aside.
  • 4. Repeat with the remaining potato buns until they’ve all been toasted. Add more butter to the pan, as needed.

For the burger patties:

  • 5. Portion out the 2 lbs. of Wagyu ground beef into 4-ounce piles that are loosely packed (no need to form patties).
  • 6. Season each patty with salt and pepper.
  • 7. Place a cast iron skillet over medium-high heat. Preheat the pan until hot and add a teaspoon or two of oil.
  • 8. Add two patties, spacing them about 4 inches apart, and smash them flat with a spatula to form patties that are 4-inches in diameter. Cook until the edges are brown, about 2 minutes. Flip the patties and cook for an additional minute or two.
  • 9. Transfer to a baking sheet and place in the oven to keep warm. Repeat for all patties.
  • 10. Once all patties are cooked, remove baking sheet from oven and top each patty with a slice of American cheese. Place back in the oven until cheese is melted, about 2 or 3 minutes.

To Assemble & Serve:

  • 11. Spread both halves of the burger buns with mayonnaise. Add the patty, top with slices of pickles, tomatoes and lettuce. Enjoy!
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