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Prepare the burger patties: Take approximately 3 ounces of 80/20 ground beef (about the size of your palm). Roll it firmly into a compact ball. Repeat this process to create 8 beef balls for 4 double smashburgers.

Make the burger seasoning: In a small bowl, combine 1 tablespoon of salt, 1 teaspoon of black pepper, 1 teaspoon of onion powder, 1 teaspoon of garlic powder, 1/2 teaspoon of thyme, 1/2 teaspoon of rosemary, and a pinch of paprika. Mix all ingredients thoroughly until well combined.

Make the Shack Sauce: In a bowl, combine 1/2 cup of mayonnaise, 1 tablespoon of ketchup, 1 tablespoon of mustard, 1 tablespoon of pickle juice, 1/2 teaspoon of garlic powder, 1/2 teaspoon of paprika, and a dash of cayenne pepper. Mix all ingredients thoroughly until the sauce is smooth and uniform.

Toast the buns: In a separate pan, melt 2 tablespoons of butter over medium heat. Place the hamburger buns face down in the melted butter and toast them until they are golden brown, about 1-2 minutes per side. Set aside.

Cook the smashburgers: Heat a cast iron skillet or a thick-bottom pan over medium-high heat until it is very hot. Add 1 tablespoon of high smoke point oil (such as avocado oil) to the hot pan; it should shimmer when hot enough.

Place two ground beef balls into the hot pan. Immediately cover each beef ball with a piece of wax paper or parchment paper. Using a flat metal spatula, firmly smash each beef ball down into a thin, flat patty.

Liberally season the smashed patties with the homemade burger seasoning. Squeeze a small spiral of yellow mustard directly onto each cooking patty. Cook for approximately 2 to 3 minutes, or until the beef begins to brown through the top of the patty.

Flip the patties to cook the other side. Immediately place a slice of American cheese on top of each flipped patty. Continue cooking for another 2 to 3 minutes, or until the cheese is nicely melted. For a double smashburger, take one cooked patty and lay it directly on top of the second patty while it's still cooking in the pan, allowing them to meld together. Repeat for remaining patties.

Assemble the smashburgers: Take the bottom toasted bun. Spread a generous amount of homemade Shack Sauce onto the bottom bun. Add a layer of shredded iceberg lettuce. Place the cooked smashburger patties (single or double) on top of the lettuce. Drizzle some more Shack Sauce over the patties. Place the top toasted bun to complete your Homemade Smashburger.


Prepare the burger patties: Take approximately 3 ounces of 80/20 ground beef (about the size of your palm). Roll it firmly into a compact ball. Repeat this process to create 8 beef balls for 4 double smashburgers.

Make the burger seasoning: In a small bowl, combine 1 tablespoon of salt, 1 teaspoon of black pepper, 1 teaspoon of onion powder, 1 teaspoon of garlic powder, 1/2 teaspoon of thyme, 1/2 teaspoon of rosemary, and a pinch of paprika. Mix all ingredients thoroughly until well combined.

Make the Shack Sauce: In a bowl, combine 1/2 cup of mayonnaise, 1 tablespoon of ketchup, 1 tablespoon of mustard, 1 tablespoon of pickle juice, 1/2 teaspoon of garlic powder, 1/2 teaspoon of paprika, and a dash of cayenne pepper. Mix all ingredients thoroughly until the sauce is smooth and uniform.

Toast the buns: In a separate pan, melt 2 tablespoons of butter over medium heat. Place the hamburger buns face down in the melted butter and toast them until they are golden brown, about 1-2 minutes per side. Set aside.

Cook the smashburgers: Heat a cast iron skillet or a thick-bottom pan over medium-high heat until it is very hot. Add 1 tablespoon of high smoke point oil (such as avocado oil) to the hot pan; it should shimmer when hot enough.

Place two ground beef balls into the hot pan. Immediately cover each beef ball with a piece of wax paper or parchment paper. Using a flat metal spatula, firmly smash each beef ball down into a thin, flat patty.

Liberally season the smashed patties with the homemade burger seasoning. Squeeze a small spiral of yellow mustard directly onto each cooking patty. Cook for approximately 2 to 3 minutes, or until the beef begins to brown through the top of the patty.

Flip the patties to cook the other side. Immediately place a slice of American cheese on top of each flipped patty. Continue cooking for another 2 to 3 minutes, or until the cheese is nicely melted. For a double smashburger, take one cooked patty and lay it directly on top of the second patty while it's still cooking in the pan, allowing them to meld together. Repeat for remaining patties.

Assemble the smashburgers: Take the bottom toasted bun. Spread a generous amount of homemade Shack Sauce onto the bottom bun. Add a layer of shredded iceberg lettuce. Place the cooked smashburger patties (single or double) on top of the lettuce. Drizzle some more Shack Sauce over the patties. Place the top toasted bun to complete your Homemade Smashburger.
