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Homemade Smash Burger Recipe

By Britney
Servings: 4
smash burger on a wooden board topped with fried onions, melted cheese, and burger sauce.
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Crispy, juicy smash burgers stacked with melty cheese, toasted buns, and burger sauce. Easy to make at home on a griddle or cast-iron skillet!
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Ingredients 

Homemade Burger Sauce

  • 1/2 cup Mayo
  • 1/4 cup Ketchup
  • 1 tbsp Yellow Mustard
  • 2 tsp Worcestershire Sauce
  • 2 tsp Garlic Powder
  • 2 tsp Onion Powder
  • 1 tsp Cajun Seasoning
  • 1 Garlic clove, (minced)

Smash Burgers

  • 2 lbs Ground Beef
  • Kosher Salt, (to taste)
  • Black Pepper, (to taste)
  • Garlic Powder, (to taste)
  • 8 slices Sharp Cheddar Cheese
  • 1 Yellow Onion, (sliced, optional)
  • 4 Brioche Burger Buns
  • 2 tbsp Salted Butter

Instructions 

  • In a small bowl, mix together the mayo, ketchup, mustard, yellow mustard, Worcestershire sauce, garlic powder, onion powder, Cajun seasoning, and minced garlic until smooth. Add a pinch of salt if needed. Set aside. 1/2 cup Mayo 1/4 cup Ketchup 1 tbsp Yellow Mustard 2 tsp Worcestershire Sauce 2 tsp Garlic Powder 2 tsp Onion Powder 1 tsp Cajun Seasoning 1 Garlic clove
  • Gather your cheese, onions, buns, and any additional toppings before you start cooking. Smash burgers cook fast, so you want everything ready to go. 8 slices Sharp Cheddar Cheese 1 Yellow Onion 4 Brioche Burger Buns
  • Heat a flat griddle or large cast-iron skillet over medium heat. Add butter, then place the buns cut-side down. Toast for 2-3 minutes, until golden brown. Remove from the griddle and set aside. 2 tbsp Salted Butter 4 Brioche Burger Buns
  • Add the sliced onions to the griddle and cook for about 5 minutes, until softened and lightly browned. Remove from the griddle and set aside. 1 Yellow Onion
  • Remove the ground beef from the fridge. Weigh out 3-ounce portions and gently roll each portion into a loose ball. Place onto a piece of parchment paper. Do not pack the meat too tightly. 2 lbs Ground Beef
  • Increase the heat to medium-high and let the griddle get very hot. Add a drizzle of vegetable oil (or any high smoke point oil), then place 2 beef balls onto the griddle. Let them cook for about 30 seconds per side before smashing.
  • Place a small piece of parchment paper over each beef ball, then press firmly with a burger press or sturdy metal spatula until thin and flat. Remove the parchment paper and sprinkle the burgers with a little kosher salt, black pepper, and a ash of garlic powder. Let the patties cook for 1-2 minutes, until the edges are crispy and browned. Kosher Salt Black Pepper Garlic Powder
  • Use a sturdy metal spatula to scrape underneath each patty, making sure to lift up the crispy crust. Flip the patties, then immediately add cheese. Cook for about 1 minute, until the cheese is melted.
  • Assemble the burgers. Spread burger sauce onto the toasted buns. Add the 2 smash burger patties per burger then top with cooked onions, your favorite toppings, and more sauce. Add the top bun and serve immediately.

Nutrition

Calories: 1102kcal, Carbohydrates: 15g, Protein: 54g, Fat: 91g, Saturated Fat: 35g, Polyunsaturated Fat: 15g, Monounsaturated Fat: 30g, Trans Fat: 3g, Cholesterol: 244mg, Sodium: 966mg, Potassium: 875mg, Fiber: 1g, Sugar: 8g, Vitamin A: 1083IU, Vitamin C: 5mg, Calcium: 473mg, Iron: 5mg

Nutrition information is automatically calculated, so should only be used as an approximation.

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