All three use milk as raw material. Milkshake is more liquid, ice cream is quasi-solid, and sundae is a type of ice cream. The specific difference depends on the type of sundae, mainly the additional ingredients. with syrup or fruit.

The specific differences can be seen in the following definitions:

Sundae (food)

Sundae is an ice cream dessert, and traditional sundaes use One or two scoops of ice cream, topped with some jam or syrup, sometimes with a layer of frosting, whipped cream, cherries or other fruits (banana, pineapple). In the Oxford dictionary, the origin of sundae is somewhat vague, but everyone agrees that the name Sundae comes from Sunday.

Milkshake (food)

Milkshake is a mixture of milk, fruit, and ice. Milk shake first appeared in the United States, and there are mainly two types: "mechanical milkshake" and "hand-cranked milkshake". Traditional milkshakes are hand-cranked and are usually sold in fast food restaurants and cold food shops. The milkshakes in the store are made and sold freshly, and customers buy and drink them now.

Ice cream (food)

Ice cream is made from drinking water, milk, milk powder, butter (or vegetable oil), sugar, etc., with an appropriate amount of food additives added, after mixing and sterilization. Frozen food with expanded volume made by bacteria, homogenization, aging, freezing, hardening and other processes.

Origin of the sundae:

Ice-cold drink

How pleasant it would be to have a bite of ice when your mouth is dry in the hot summer. But more than 3,000 years ago, this was just people's extravagant hope. Only a few emperors could put ice cubes in jars in the harsh winter, bury them in caves or cellars, and take them out to enjoy in the hot summer. Ordinary people and even high-ranking officials do not have this blessing.

At the end of the Tang Dynasty and the beginning of the Song Dynasty, gunpowder began to come out of the alchemy furnaces and showed its talents on the battlefield. One of the main ingredients of gunpowder is saltpeter. It is a kind of white bitter crystal, which is a mineral. It likes to stay at the foot of low-temperature walls. Its color is like frost, so it is also called "wall frost".

People accidentally discovered that when saltpeter is dissolved in water, it absorbs a lot of heat, causing the water temperature to drop and even freeze. So soon some people took advantage of the properties of saltpeter to make ice drinks in summer. They dissolved sugar and a little spice in water, then put the water into a jar; took a large plate, filled it with water, and placed the jar on the plate. In the water, saltpeter was continuously added to the pan, and the water in the tank turned into ice. Take a bite, it's cold and sweet, it's cold in your stomach.

In the Yuan Dynasty, the founding emperor Kublai Khan, like previous emperors, often enjoyed this ice-cold drink in midsummer. In 1275, Italian Marco Polo came to China. He was often summoned to the palace by Kublai Khan to talk about the history, customs, and current situation of European countries, and tasted ice-cold drinks.

Marco Polo also liked this cold drink to relieve the summer heat. He actually brought the ice-making technology back to Italy, making the cold drink popular in Italy.