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Copycat Steak 'n Shake butter steakburger with melted butter, American cheese, and grilled onions on a toasted bun

Copycat Steak 'n Shake Butter Steakburger

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Prep Time: 10 minutes
Cook Time: 15 minutes
Total Time: 25 minutes
Servings: 4 Servings

Description

This copycat Steak 'n Shake butter burger features a crispy smashed steakburger patty topped with American cheese, sweet grilled onions, and melted salted butter on a toasted bun. Make it on a Blackstone or in a cast iron skillet in about 25 minutes.

Ingredients 

Burgers

  • ½ pound ground sirloin
  • ½ pound ground chuck, or 1 pound 80/20 ground chuck total
  • 4 slices American cheese
  • 4 hamburger buns, potato buns, or kaiser rolls

Seasoning

  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • ¼ teaspoon garlic powder
  • ¼ teaspoon onion powder

Butter and Onions

  • 6 tablespoons salted butter, divided (softened)
  • 1 medium yellow onion, thinly sliced
  • Pinch of salt

Instructions

  • Divide the beef into 4 equal portions and roll into loose balls. Refrigerate until ready to cook.
  • In a small bowl, combine the salt, pepper, garlic powder, and onion powder.
  • Heat a Blackstone griddle or cast iron skillet over medium heat. Melt 1 tablespoon of butter, add the onions and a pinch of salt, and cook for 6 to 8 minutes, stirring occasionally, until soft and golden. Move to a cooler area to keep warm.
  • Spread 1 tablespoon of softened butter on the cut sides of the buns and toast until golden, about 1 minute. Set aside.
  • Increase the heat to medium-high (400°F to 450°F). Place the beef balls on the griddle, cover with parchment, and smash until very thin. Remove the parchment and sprinkle with the seasoning.
  • Cook without moving for 1½ to 2 minutes, until the edges are crispy and browned.
  • Flip the patties. Top each with a slice of American cheese and grilled onions.
  • Place 1 tablespoon of butter (cut into a pat) on top of each burger and let melt for 30 seconds.
  • Transfer to the toasted buns and serve immediately.

Equipment

  • Blackstone griddle (or cast-iron skillet)
  • burger press or heavy flat spatula
  • Metal spatula
  • Parchment Paper

Notes

  • Double Butter Steakburger: Divide the beef into 8 portions and stack two patties per burger.
  • Extra buttery: Spread a little more softened butter on the inside of the top bun.
  • Skillet method: Cook in batches of 2 in a smoking-hot cast iron skillet.
  • Make ahead: Portion the beef and slice the onions up to 1 day ahead.
  • Storage: Refrigerate cooked patties and onions up to 3 days. Reheat on a hot griddle or in the air fryer at 375°F for 3 to 4 minutes.

Nutrition

Serving: 1ServingCalories: 627kcalCarbohydrates: 25gProtein: 29gFat: 45gSaturated Fat: 23gPolyunsaturated Fat: 2gMonounsaturated Fat: 15gTrans Fat: 2gCholesterol: 145mgSodium: 1066mgPotassium: 451mgFiber: 1gSugar: 5gVitamin A: 725IUVitamin C: 3mgCalcium: 313mgIron: 4mg