PETER: I’ll never forget the day Kathy led me down the aisles of the grocery store, explaining she wanted to make something she’d seen her classmates eating: a peanut butter and jelly sandwich. Back home, before heading to Nanking for dinner shift, we made sandwiches together. As always, I tasted the ingredients first—it’s a habit of mine before cooking anything. When I tried the peanut butter, I was blown away. Back in Shanghai, we have sesame paste, which
