You can eat various fruits and meats to fill your hunger gauge (the hunger gauge is in the lower left hand corner).
Meat is sold at most shops.
Your hunger gauge must be at 100% in order to use Shout of Survival which gives you extra health in an emergency.
Your hunger will drop to 0% if you use Shout of Survival or if you die.
More expensive cuisine gives you buffs in addition to filling you up.
You can buy good food from Rafons in front of the potion shop in Giran Town.
Each Lunch Basket will randomly have between 1~3 meals.
More Info go to following Link : Check Out