2 tsp. Diamond Crystal or 1¼ tsp. Morton kosher salt, plus more
1 tsp. plus 1 Tbsp. sugar
3 Tbsp. fresh lime juice
8–12 8" rice paper rounds
4 Tbsp. vegetable oil, divided
Tender lettuce (such as Bibb or green leaf), tender herbs (such as cilantro, dill and/or Thai basil), thinly sliced radish, and thinly sliced Persian cucumbers (for serving)
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