The hidden surprise of melted cheese inside the crispy breaded mushroom pattie takes this vegetarian burger to new levels, as does a special mayonnaise that gets shmeared on the toasted brioche bun.

Martha Stewart Living, January/February 2021

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Credit: Con Poulos

Recipe Summary test

prep:
45 mins
total:
1 hr 5 mins
Servings:
4
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Ingredients

Ingredient Checklist

Directions

Instructions Checklist
  • Preheat oven to 425°F. Line a baking sheet with parchment. Brush both sides of mushrooms with olive oil; season with salt and pepper. Arrange mushrooms, gill-sides down, on sheet and roast, flipping once, until tender, 22 to 25 minutes. Let cool, then transfer to a cutting board, gill-sides down. Butterfly each by cutting horizontally through middle of cap, leaving one side intact. Open flaps and add cheese (if necessary, fold to fit.) Close flaps and gently press to seal with your palm.

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  • Place flour, egg, and panko in separate shallow bowls. Dip each stuffed mushroom in flour, then egg, turning to coat and shaking off excess. Then dip in panko, pressing to adhere.

  • Heat 1/2 inch vegetable oil in a large straight-sided skillet (preferably cast iron) over medium until a panko crumb sizzles when tossed in. Working in two batches, cook mushrooms until golden and crisp, 2 to 3 minutes per side.

  • Transfer mushrooms to a wire rack set over a baking sheet; season with salt. Spread mayonnaise on buns. Top with mushroom burgers and arugula. Serve immediately.

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