They are cooked by steaming or boiling. These include baking, roasting, frying, grilling, barbecuing, smoking, boiling, steaming and braising. Rendering is by steaming, boiling, or dry heat. Boric acid is soluble in boiling water. Most foods are cooked via boiling or frying. Pasta is cooked by boiling and couscous is steamed. It is commonly formed by boiling or evaporating water. Agnolotti are prepared by immersion in boiling water. Brisket can be cooked many ways, including baking, boiling and roasting. In particular, many foods are fried in oil much hotter than boiling water. These are cooked by being dipped in boiling water or stock. The difference is immersion in boiling water for bluing. Achieving temperatures above the boiling point requires pressurized cooking. Kombucha is made by dissolving sugar in non-chlorinated boiling water. Then the alloy is removed by submerging the part in boiling water.