ITCheck whether your cooking utensilshas level bases by placing the item inquestion upside down on a work topand positioning a ruler on the base. Acurved base, both inwards andoutwards, will prolong the cookingtime and increase the energyconsumption. If the diameter of thebase is too small, the energyconsumption will increase, and anyfood boiling over will burn onto thehot cooking zone.Cooking utensils with veryshiny/bright bases will prolong thecooking time slightly compared withcooking utensils with matt/dark bases.