1. Truffle Truffle is a fungus with a special smell and is rich in nutrients such as protein and amino acids. Because it has extremely strict requirements on the growth environment, it cannot be cultivated artificially, and its output is rare, so it is very rare. Among them, French black truffles and Italian white truffles are the most highly rated. The Italian Alba white truffle can be called a diamond in the gourmet world. Someone once bought a 520-gram white truffle at an auction for about 225,000 yuan.

2. Caviar, strictly speaking, only sturgeon eggs are real caviar, and the caviar produced in the Caspian Sea bordering Iran and Russia is of the best quality. Because of its rare production and bright color, it is known as "black gold" or "Caspian Sea black pearl". Among them, a kind of caviar called "Almas Caviar" produced in Iran is the most expensive. It is extremely rare, with a crystal clear golden color in appearance. It comes from a white sturgeon that is over 100 years old and is packaged in a 24-karat gold can. The price is $25,000.

3. Japanese puffer fish Shirako. Shirako is the testis of puffer fish. It has extremely high protein content and is regarded as a top delicacy in Japan. There are usually two ways to eat pufferfish Shirako. One is to roast it on a charcoal fire and eat it with black truffles. The other is to eat it raw with sauce. It is said that the taste is fresh and smooth, and it melts in the mouth. As a high-end cuisine, it will cost you at least a thousand yuan to eat it once.

4. Glacier pine needles. This "rice" is only produced in Superior Glacier Lake in North America. It is actually a kind of aquatic grass seed. The yield is not high, so it is expensive. It can be called "the best among cereals". caviar". It has high nutritional value, is rich in protein and a wide variety of trace elements, and tastes great when used to make porridge. But because it is too expensive, it is usually used with ginseng, abalone, black-bone chicken, etc. to make nourishing soups.

5. Cat poop coffee, cat poop coffee, also known as civet cat coffee, is made by feeding coffee beans to civet cats, and after the cats excrete feces, the complete coffee beans are extracted and processed. It is currently one of the most expensive coffees in the world, costing hundreds of dollars per pound. Because the civet cats only select the sweetest and ripest coffee beans for consumption, and then ferment them in the civet's stomach, the coffee produced has a unique taste, which gradually became famous and became a hot commodity in the international market.