Fold excess parchment over potatoes and cover pan with aluminum foil. Bake at 350°F until potatoes are tender, about 2 hours. Remove foil from pan, leaving parchment in place.

The controversy erupted in late September when another Douyin influencer, Dawa, who has 285,000 followers, accused Sister Yu of selling adulterated sweet potato noodles. After sending the noodles for ...