A teaspoon is a small spoon commonly used in cooking and serving food. It is typically used for measuring ingredients, stirring liquids, or serving small portions of food. A standard teaspoon holds about 5 milliliters of liquid, making it a handy tool in the kitchen for recipes that require precise measurements. In addition to cooking, teaspoons are often used for stirring beverages like tea or coffee. When enjoying a cup of tea, a teaspoon can help mix in sugar or milk. This simple utensil is an essential part of many households, making it easier to enjoy delicious meals and drinks.