People from around the world have cooked food but people in various nations cooker their food in a different way. Many people in the country want to eat meat, fish and vegetables that are cooked. There are some people who want to eat raw fish.
There are several methods of cooking food:
Boiling
Food is cooked in boiling liquid till it gets soft. Vegetables need to be places in boiling water and they have to be boiled fast. Meat needs to be placed in cold water and then made to boil when you make soup for stews.
When you boil meat, the temperature is lowered as soon as the water boils. The protein in meat will get hard and can be cumbersome to digest. Fish is places in boiling water and simmered till it is cooked. 
In case it is allowed to boil all the time the fish will get broken up. Boiling food to cook it partially is known as parboiling. Boiling slowly so that the liquid bubbles in a slow manner is known as simmering.
Stewing
This is long, slow cooking in a little liquid. This is a great method of cooking. The cheap and hard pieces of meat can be cooked along with other ingredients in order to prepare them and for a nice flavor.
Stewing can be done in a pan with a lid .Foods become tender with ease in a closed pan when the steam cannot escape with ease. It is a simple method of cooking as little care is needed when the food is stewing in a slow way.
Steaming
From boiling water food is cooked in a steam. The soft bits of food can be steamed. It is a very slow technique of cooking and it makes food to digest with ease. The foods that are flavored in a fragile way are steamed as no flavor is lost during cooking. This is so as the food retains its own flavor. Steaming can be done by the methods below:
It is steamed in a steamer which is over a boiling water saucepan. The steam takes place from the boiling water and passes through the steamer to cook the food.
Frying pan steaming of boiling water. A nice lid covers the tray and steam from boiling water that cooks the food. The method is quick than the first method. 
Steamed in a saucepan with a lid that is tight fitting. Food is put in a bowl which stands in a saucepan of boiling water that comes up to the side of the bowl.
Food is put on a plate and is covered with the lid of the saucepan. The plate is put on top of the saucepan that is half filled with boiling water.
Frying
This the most fast method of cooking and is very famous in the country. There are actually three techniques of frying:
There is the dry frying where no oil is utilized in frying peanuts. The food is put into clean, dry frying pan and is stirred over a slow fire till its gets cooked.
You can do shallow fat frying where in a little oil is utilized to prevent the food from getting stuck to the frying pan just like in frying eggs, vegetables etc. When you happen to fry the vegetables, they are tossed in little amount of fat that gets absorbed by the vegetables. This technique of cooking vegetables is known as sauteing.
Then there is the deep frying wherein the food is cooked in 2 inches of hot oil. There should be ample oil to cover the food when the food is put inside. Actually this technique of frying is utilized for curry puffs, fry chicken and several other dishes.
Grilling
This is actually cooking food over hot charcoal. You can also cook food under electric grill such as in cooking barbecue chicken. This is a fast method of cooking and only soft pieces need to be cooked by this technique.
Baking
It is cooking food in the oven or as in baking pastries, cakes and bread. The hot oven heats up the air inside it and the food is cooked by hot air. Ample care needs to be taken to cook the food without any need of burning it.