The middle tree is wild pepper tree. We use wild peppers and its leaves to cook vegetables.

中间的是花椒树，花椒叶和花椒用来炒菜。

youdao

Walnut is the special local product of Southern Gansu, it is the second important strength followed by wild pepper in the forest and fruit manufacture.

核桃是甘肃省陇南地区的特产，是林果支柱产业中仅次于花椒的第二大产业。

youdao

Then join much many wild peppers and do a hot pepper (see love spicy degree personally), use the flavor that the small fire fries a wild pepper and hot pepper slowly.

然后加入多多花椒及干辣椒(看个人的嗜麻辣程度)，用小火慢慢炒出花椒和辣椒的香味。

youdao

Try the cacio e pepe (traditional Roman pasta with Pecorino Romana and black pepper) and linguina alla siciliana (pasta with wild fennel, red prawn and cumin).

BBC: Where to eat when Rome shuts down