The Clay is tested to ensure it is totally free of toxins like lead and cadmium. It can also be used to cook any recipe you prepare in a regular metal pot like rice, soups, curries, sautes etc. Clay adds a unique flavor to food. For those in love with that finery of the old world, these terracotta curd pot/handi is the right choice for having your desert in a quintessentially ethnic manner. The Himalayan Range Clay Handi / MItti Handi / Curd Pot is handmade by the special mixture of clay which results in natural cooking solutions for you.These wares are made from export quality earthenware and terracotta. The Clay is tested to ensure it is totally free of toxins like lead and cadmium. Using Instruction: Dip the utensil completely in water for a day & then fill the vessel with rice starch for few hours. ALWAYS AVOID: When the vessel is hot do not pour cold water, let the vessel temperature come to normal then wash. WASHING TIPS: Always avoid Metallic scrubber rather use Soft sponge. Simply use hot water with lime. Avoid cleaning earthenware with a soap or detergent or in a dish washer. STORAGE: Allow the vessel to dry completely before storage. ONCE A WEEK: Fill half the vessel with water, boil for 3 min & then dispose the water to remove oil & stains, this will also strengthen & hygiene the utensil.