.some food iteams have a lot of moisture (water) in them

.leafy vegetables e.g spinach and fenu greek have lots of moisture

.these are cooked using methods that make use of this moisture

.but food iteams like wheat rice and pulses are low in moisture content there are cooked by adding extra water

.there are also methods of cooking food

Classification of methods

1.) cooking by moist heat

. boiling

. simmering/stewing

. steaming

. pressure cooking

2.) cooking by dry heat

. baking

. roasting

. griling

3.) cooking by frying in oil or ghee

. deep frying

. shallow frying