Cultured dairy product is a term used to describe a type of food made from milk that has been fermented with bacteria. Yogurt is the most common example of this type of food, and it is made by adding bacteria cultures to milk and allowing it to ferment. Yogurt is a popular snack and can be eaten plain or with added flavors and toppings. It is also used in many recipes as an ingredient. Yogurt is a nutritious food that is high in protein and calcium, and it is often recommended as part of a healthy diet.