.5 litres cold water

Water is a colorless, odorless, and tasteless liquid compound of hydrogen and oxygen (H₂O) that exists naturally on Earth in solid, liquid, and gaseous states. In culinary contexts, water serves as a fundamental medium and ingredient essential to virtually all cooking techniques. The quality, mineral content, and temperature of water can significantly influence cooking outcomes, flavor development, and the texture of finished dishes. Tap water, filtered water, spring water, and mineral water each possess distinct characteristics that affect their culinary applications.

Water functions as the primary solvent and cooking medium across all culinary traditions, used for boiling, steaming, poaching, braising, and simmering. It hydrates grains and legumes, activates leavening agents in baking, dissolves salts and sugars, and serves as the base for stocks, broths, sauces, and beverages. Cold water is specifically employed for rinsing ingredients, blanching, shocking cooked vegetables, and preparing doughs and batters where temperature control is critical. The mineral content and pH of water can affect cooking times, flavor extraction, and the behavior of proteins and starches.