INGREDIENTS
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(1 stick) unsalted butter, room temperature
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sour cream
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kosher salt
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¼-oz. envelope active dry yeast (about 2â??¼ tsp.)
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plus 1â??½ tsp. sugar
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kosher salt, divided
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all-purpose flour, plus more for surface
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large russet potato, unpeeled, cut into ½" pieces
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vegetable oil, divided
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bacon, cut crosswise into thirds
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toasted sesame oil, divided
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white cheddar, grated (about 2 cups)
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cups thinly sliced scallions (from about ½ bunch)
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soy sauce
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sesame seeds, divided