With the progress of science and technology and the development of society, people's living standards are constantly improving, and the once unreachable food has been unconsciously integrated into our lives. Here are some examples of once extravagant foods, but now they have become ordinary people:

1. chocolate: chocolate was once a luxury item only belonging to the upper class, and now it has become a popular dessert.

2. Coffee: Coffee used to be a drink only for the elite, but now it has become an essential drink for many people every day.

3. Sushi: Sushi was originally a delicacy of the Japanese royal family and nobles, but with the immigration and commercialization, it has become popular now, and many supermarkets and restaurants have it.

4. Red wine: In the past, red wine was an expensive and luxurious enjoyment. Nowadays, people generally like to taste red wine, and they can buy wine at different prices through various channels.

5. Cheese: In the past, cheese was an expensive luxury. Now cheese has become a popular food, and many supermarkets and restaurants offer a variety of cheese choices.

Generally speaking, with the progress of production technology and the changes of social development, many luxury goods that were once popular only among the elite have become more popular, bringing more people a wonderful enjoyment experience.