Beef-Mushroom Smash Burgers

  • Level: Easy
  • Yield: 4 servings
  • Total: 40 min
  • Active: 30 min
Who doesn’t love a smash burger? The thin patties get slightly charred, which creates the best texture. And mushrooms are the perfect addition — they have a savory flavor that blends well with beef.
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Ingredients

For the Sauce:

1/2 cup mayonnaise

1/4 cup Dijon mustard

2 tablespoons sriracha

2 teaspoons Cajun seasoning

For the Burgers:

1 1/2 pounds ground beef

8 ounces cremini mushrooms, trimmed and minced in a food processor

Kosher salt and freshly cracked pepper

1 to 2 tablespoons unsalted butter

8 slices American cheese

4 brioche buns

2 cups shredded green leaf lettuce

4 fried eggs, for topping

8 strips bacon, cooked, for topping

Dill pickle slices, for topping (optional)

Directions

  1. Make the sauce: In a small bowl, mix the mayonnaise, mustard, sriracha and Cajun seasoning. Refrigerate until ready to use.
  2. Make the burgers: In a large bowl, combine the beef and minced mushrooms. Divide the mixture into 8 balls, about 4 ounces each. Season with salt and pepper on both sides. Heat a large cast-iron skillet or griddle over medium-high heat. Add the butter. Once the skillet is very hot and the butter has melted, add the beef balls (you may need to do this in a few batches, depending on the size of your skillet or griddle). One at a time, place a burger press over each beef ball (you may want to place a small sheet of parchment on the meat in case the press sticks). Smash each burger into a flat disk for 10 seconds, applying a lot of pressure. Repeat until all the burgers are smashed.
  3. Cook the patties 2 minutes, then flip. Sprinkle with salt and pepper and press down again with the press. Continue to cook until caramelized and charred, 1 to 2 more minutes. Top each patty with a slice of cheese and let melt, 1 to 2 minutes.
  4. Assemble the burgers: Spread the sauce on the bun bottoms. Top with some shredded lettuce and 2 patties. Add a fried egg, bacon and pickles if you want, and more sauce if you like it saucy. Close with the bun tops and enjoy!

Let's Get Cooking!

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ghura1

The mushrooms made them a bit too moist, and fall apart in the pan, so it might be good to cut back. Also had to dump out some fat from the pan to get the second and third batches to sear, but they came out very delicious. Great sauce.

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