The Earthenware is tested to ensure it is totally free of toxins like lead and cadmium. It can be also used to cook any recipe you prepare in a regular metal pot like rice, soups, curries, sauces, etc. Earthenware 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 Organic Earthenware Crafts Dahi Handi/ Clay Handi / MItti Handi / Curd Pot set of 2 is handmade by a 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 scrubbers rather use a soft sponge. Simply use hot water with lime. Avoid cleaning earthenware with soap or detergent or in a dishwasher. STORAGE: Allow the vessel to dry completely before storage. ONCE A WEEK: Fill half the vessel with water, boil for 3 min & then dispose of the water to remove soil & stains, this will also strengthen & hygiene the utensil.