This garlicky smash burger recipe includes a hefty amount of portobello mushrooms, which adds a light texture and rich umami flavor. Using a hot skillet and flattening the burgers evenly forms the crispy golden brown crusts that smash burgers are known for. The sweet and smoky balsamic sauce pairs well with the meatiness of the burgers.

EatingWell.com, October 2022

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Credit: Fred Hardy

Recipe Summary

active:
40 mins
total:
40 mins
Servings:
4
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Ingredients

Burgers
Smoky Balsamic Sauce

Directions

Instructions Checklist
  • To prepare burgers: Line a baking sheet with parchment paper. Place mushrooms, Worcestershire, garlic-and-herb seasoning and ⅛ teaspoon smoked paprika in a food processor. Process until the mushrooms are finely chopped, about 30 seconds. Transfer to a large bowl.

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  • Add ground beef to the mushroom mixture. Using your hands, mix together until combined. Divide the mixture into 4 balls; place on the prepared baking sheet. Cover and refrigerate for 10 minutes. 

  • Meanwhile, prepare sauce: Combine mayonnaise, yogurt, vinegar, pepper and smoked paprika; refrigerate until ready to serve.

  • When the balls are chilled; heat 1 tablespoon oil in a large cast-iron skillet over medium heat, about 3 minutes. Sprinkle the balls with pepper and salt. Increase heat to high; continue heating the oil for 2 minutes.

  • Place 2 balls in the pan. Working quickly, use a rigid metal spatula to press down firmly, smashing the balls into flat patties (4- to 5-inch diameter; if desired, use another spatula to press down on the first spatula to create leverage and spread the patties evenly). Cook, undisturbed, until a golden-brown, crispy crust forms on the bottoms, about 3 minutes. Carefully flip; top each patty with 1 cheese slice. Cook, undisturbed, until a thermometer inserted into the thickest portion registers 160°F, about 2 minutes. Transfer the burgers to a plate; cover to keep warm. Wipe the pan clean. Repeat the procedure with the remaining 1 tablespoon oil and 2 balls.

  • Arrange the burgers on bun bottoms. Top with lettuce, tomato, onion and/or pickles, if desired. Spread the cut sides of the top buns evenly with the sauce and place on top.

Equipment

Parchment paper

Nutrition Facts

1 burger & 1 Tbsp. sauce
446 calories; protein 30g; carbohydrates 26g; dietary fiber 4g; sugars 6g; fat 26g; saturated fat 9g; mono fat 10g; poly fat 4g; cholesterol 85mg; vitamin a iu 311IU; vitamin b3 niacin 3mg; vitamin d iu 24IU; vitamin e iu 3IU; folate 22mg; vitamin k 19mg; sodium 683mg; calcium 201mg; chromium 1mcg; iron 4mg; magnesium 47mg; phosphorus 230mg; potassium 284mg; zinc 2mg; omega 3 fatty acid 1g; omega 6 fatty acid 2g; niacin equivalents 5mg; selenium 31mcg.
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