In fact, if Liu Bei did not take the initiative to come and have a free meal, Li Su should have taken some time to tell Liu Bei about his plans to crack down on profiteers during the autumn tax period, and be prepared for any trouble.

Since Liu Bei is here, we just want to enjoy the ice cream while chatting.

At this moment, facing the free meal between Liu Bei and Zhang Fei, Li Su smiled appropriately: "If you want to enjoy it, how dare you cherish it yourself? Anyway, the king is just for the banquet in the palace, and it is not for sale. This thing is too extravagant, so I don't want to leak too much, so as not to follow the example of the rich and use it to waste money."

Li Su said this very beautifully. He first said that he would definitely offer ice cream to Liu Bei's private chef, and at the same time he ran it, saying that Liu Bei was definitely not for taking out. In this way, he found out that the reputation of ice cream was his own.

As for "intellectual property", it is actually not important at all. Because Li Su's method of making ice cream is so expensive that outsiders can't imagine it, and it is impossible to promote commercially.

Of course, Liu Bei didn't need to consider making money, so he didn't understand the mystery in his words and just ate it.

Li Su asked the maid to bring a plate of ice cream cheese with a little vortex shape that was sticky than sesame paste. It was not fluffy rolled or patterned, so strictly speaking, it was more similar to the Italian ice cream in the late 18th century.

If it is hard for later generations to imagine, you can compare Italian-style brands such as "Aisi Siri" instead of "Hagen-Dazs".

With limited technical conditions, this can only be done.

Liu Bei's eyes showed envious expressions. He took a prank carefully and his eyes suddenly became straight: "What a wonderful thing, I heard from Ziyu that this thing is not only cool, but also dense, soft, sweet, and crispy, which is definitely extraordinary.

The crispy cheese is so delicious, I am afraid that even the Xiongnu Chanyu has never tasted it. Hey, Yide, what are you doing! Put it down! I will divide it in the big bowl! Stop it!"

Liu Bei narrowed his eyes because he was so delicious that he didn't know what he was savoring. He still heard the crisp sound of the celadon spoon hitting the porcelain plate. He immediately opened his eyes and woke up. It turned out that Zhang Fei had finished eating his small bowl and scooped it into the big bowl.

Of course, Liu Bei held it down directly, took out the strength he had when he split Guan Yu and Zhang Fei's fight, and pulled Zhang Fei's hand away.

Liu Bei personally distributed the remaining ice cream, which was very fair. He filled 40% of his bowl and 40% of Zhang Fei. He also paid 20% of Li Su's bowl with mercy: "It's not easy for you to watch us eat. Come on, don't be polite."

Li Su was so amused and crying: This is mine, so why don’t you be polite?

However, it seems that Liu Bei also thinks that this thing is very cherished, and I am afraid that Li Su can't eat it openly, so he subconsciously wins over it.

After a while, after eating it thoroughly, Liu Bei wiped his mouth: "Didn't he say that he could let Gu see how this is done?"

Li Su smiled, clapped her hands, and signaled her close maid to bring some clean leather cloaks.

Liu Bei was curious: "What is this?"

Li Su: "It's too hot here, so I have to go to the ice cellar to make it. I can't stand it in single clothes."

In early April, I was already wearing light summer clothes. The robes were silky on the outside and were very breathable, and they could make people feel cold when they entered the ice cellar. Moreover, these leather cloaks were thoroughly scrubbed, so as not to contaminate the ice cellar with the soil and ash on the clothes.

Liu Bei felt more and more fun, very ritualistic, so he put it on and followed it into the ice cellar.

Li Su asked Jinse Xiuse to take a shower in advance and put on clean clothes, and then wrapped it in a compact leather jacket to work.

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They took a tin bucket and put it to the cold milk on the large ice cube next to it to the near-zero degree, as well as other honey, mint, brown sugar water, and pulp paste that were also cooled. Stir thoroughly first.

When stirring, the iron bucket is placed in a large pile of crushed ice cubes. The temperature of the ice itself should be significantly lower than zero degrees, and may be minus seven or eight degrees.

There is nothing to do at this point, the key is the future.

While Jinse was stirring, Xiuse suddenly took out some ice water mixture, poured it on the crushed ice outside the iron bucket, so that the ice was completely submerged, and then took out a large bag of salt, and added it to the ice water outside the iron bucket with a spoon until the salt could no longer dissolve and was completely "saturated".

Yes, Li Su uses "the freezing point of salt water is lower than fresh water to create liquids that are far below zero, so that this liquid can transfer low temperatures below zero into the milk mixture in the iron barrel and make it viscous and condense."

Who said that the Han Dynasty could not achieve artificial low temperatures below zero degrees!

Moreover, the low temperature of the ice water mixture can even be lower than the ice cube itself. Because those who have studied chemistry in junior high school know that "dissolution" itself is also a process of heat absorption. Salted in water will absorb heat, and the process of precipitating and crystallizing when cooking salt will release heat. Therefore, after the salt is dissolved, even if the original ice cube is only minus five or six degrees, the final salt ice water can reach minus ten degrees or even lower.

Don’t think that this data is exaggerated - the middle school chemistry textbook clearly states that the freezing point of sea water at 3.5% concentration is minus four degrees, while the saturated concentrated salt water at 30% is minus 21 to 23 degrees. This is how Italians made ice cream before the refrigerator in the 18th century.

Who made Li Su like to watch documentaries on "Tip of the Tongue" in his previous life? He watched a BBC documentary on B station called "Italy on the Tongue" (the real name is "World Food"). The film restored the ice cream method at that time, and did not rely on any electrical appliances throughout the process.

Liu Bei just watched helplessly as the iron bucket was filled with ice water and milk mixture inside, but the milk mixture gradually solidified by the cooling of ice water! It was a miracle!

And he also realized how luxurious Li Su was to do this.

Because Li Su is different from other people who make "ice cheese", others use ready-made ice in winter to smash it. In fact, some people in the ancient Chinese made cold drinks of ice milk, but strictly speaking, the taste is not delicate and cannot be considered ice cream, but can only be considered "milk sand ice".

Li Su used many times the ice, and then added salt to melt it to create new ice. This old ice that consumed ten times the weight of "making ice with ice" may not necessarily make a piece of new ice. Not only does the ice consume many times, but it also wasted so much salt. When the saturated ice salt water is useless, it will also boil and cook the salt.

This has been a lot of trouble.

Ice cubes are stored in winter, and the ice cellar can store so much ice in a year. How expensive is it when it is hot. In Chengdu, buying a cellar ice of more than a foot square in spring will cost dozens of five-zhu coins, which can increase to more than a hundred in summer.

Li Su would spend more than a thousand dollars on making a few liters of ice cream. A bucket of ice cream could eat a five-foot wide Shu brocade.

Liu Bei shook his head and sighed and left the ice cellar. The first sentence was: "It's too wasteful for the people to lose money. It's just a few of us. Just eat this thing. Boya, don't sell it, and don't tell others the prescription. If anyone puts pressure on you, you will say that you are alone and you will not allow it to reveal it. This is also a matter for the people."

Li Su: "It is best if the king can understand it. My original intention is to think about some novel things to make fun of. I didn't expect that it was so expensive and ice-filled. It was all done."

Liu Bei laughed and scolded: "You have spent enough brains on enjoyment. I'm afraid you have spent less than half of your brain power on governing the country. But why do you have to use this method of 'melting old ice and condensing new ice'? It's just for the delicate taste?"

Li Su: "On the one hand, it is for the sake of delicacy. On the other hand, when making ice in winter, you don't have to filter the water and boil it first, and then freeze it into ice. You can use not very clean ice. Anyway, the last thing you eat is not these old ice.

There are two ice cellars in my house, one large and one small. The ice in the large cellar is stored at will, and they are all large pieces of ice placed on the ground. The ice in the small cellar is all spring water drawn from Qingcheng Mountain in winter. It is also purified with magnets, and then boiled and dried. Finally, it is necessary to store it in the cellar with specially washed and boiled ice. In a few days, please ask the king to try smoothies that can be scraped directly with edible ice."

Liu Bei was shocked. He never expected that Li Su's family would also emphasize the separation of the ice from the boiled water and the ice-condensed water. From this point of view, when Li Su was in the winter a few months ago, the consumption of ice-making was much higher than that of ordinary people!

"I remember, you often say that raw water is not clean and you have to cook water after drinking it. I didn't expect that the ice will be cooked first and then iced. Oh, let's learn it." Liu Bei suddenly felt that his life as the King of Hanzhong was still relatively frugal.

Perhaps Wang Kai, later generations, had the same mentality when he met Shi Chong's "smashing two-foot coral tree at will."

I thought the other party was deliberately showing off my wealth, but in the end I realized that the other person's subconscious consumption was higher than that of him.

Then Liu Bei felt more and more that his behavior of eating free and cold drinks was just. Who made Boya so wasteful and so particular? He helped him share some of his sins so that he would not be punished by God to lose too much blessing!

I just happened to have just had cold drinks and desserts. After visiting for a while, it was time to eat. The chef of the Hou Mansion arranged a banquet, and Liu Bei would not be polite to Li Su.

At the table, after three rounds of wine, Li Suping left and left, without even leaving a maid, and sat alone at Liu Bei's case with a glass of wine, taking the opportunity to discuss the important matter.

"King, Zichu said a few days ago that he should beware of the opportunities for those powerful rape merchants from aristocratic families and to be reluctant to exploit the people, and would hoard the people to create scarcity and obstruct the new law. I was afraid that the arrangement would be too early, so I was afraid that they would not dare to take action, so I didn't rush to say..."

Liu Bei was excited and put down his wine glass. After listening carefully to Li Su's detailed statement, he roughly understood what was going on. Among them, "The reason why those powerful rapists had a high probability of misjudging may be related to the fact that we transferred the main output of the new Shu brocade last year to Sun Jian." Li Su didn't even say Liu Ba, but he had to explain it clearly to Liu Bei.

He also stated why he wanted to enforce the law by fishing, "It is better to have short pain than long pain." He took advantage of the new law to kill the chicken to warn the monkey and set off a powerful force, and he punched him one punch to avoid it.

After listening, Liu Bei nodded in support of course: "This is indeed what should be done. This is not considered 'killing without teaching and slandering others', but those who jumped out were greedy."

This attitude must be expressed, and beautiful words must be said. After all, Liu Bei is an image of a "benevolent king". He cannot actively show that he supports fishing law enforcement, because Confucianism rejects and punishes him without teaching, which is indeed understandable.

Liu Bei paused for a moment and said, "But, since you said that these misjudgment coincidences are related to selling Changsha County, it is not easy to keep it confidential, right? Will these traitors sooner or later notice it?"

Li Su: "So I only dare to tell the king about this matter now. First, I want to ask the king to decide a few people who can trust and join forces. Not only should they be reliable, financially, but they should also keep their mouths tight and don't ask if they shouldn't be asked. When it's time to ship, they can ship the goods in line with us. When it's time to stock up, they stocked up in a low-key manner and did not expose their production capacity.

On the other hand, it also involves the strategic adjustment to the Jingnan region this year. No matter whether Zilong always moves his troops, he will act as a stance to mobilize his troops, and block the river mouth of Baqiu. At that time, Yangzhou merchants are not allowed to enter Jingzhou in at least May and June."
Chapter completed!