"Inspired by the sliders at White Manna in Hackensack, New Jersey, Adam Fleischman creates beef patties by flattening balls of ground meat on the griddle...."
INGREDIENTS
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16 thin bread-and-butter pickle slices, patted dry
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Four 4-inch potato buns, buttered and toasted
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1 1/4 pounds ground beef chuck (30 percent fat)
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Salt and freshly ground pepper
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2 small onions, sliced paper thin
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4 ounces sharp cheddar cheese, sliced
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Umami dust, for sprinkling (optional, see Note)