A slow cooker, also known as a crock-pot, is a countertop electrical cooking appliance used to cook food at lower temperatures than conventional methods like baking or boiling. It cooks food slowly over several hours, making it convenient for unattended cooking of dishes such as pot roasts, soups, and stews. Typically, it consists of a ceramic or porcelain pot inside a heated metal housing with a glass lid. Slow cookers often have multiple heat settings (low, medium, high) and sometimes programmable timers and temperature probes for precise cooking control. The slow cooking process allows cheaper cuts of meat to become tender and flavorful while saving energy compared to ovens. Slow cookers also help retain moisture and nutrients due to the sealed cooking environment.
Popular sizes range from small 2-quart cookers suitable for 2 people up to 6-quart or larger models for family meals. They are easy to use: ingredients are placed inside with some liquid, the lid is put on, and the cooker is turned on to cook for several hours. Many modern models come with features like automatic switch to warming mode when cooking is done, temperature probes, and locking lids for transport. Slow cooker recipes often involve stews, casseroles, chili, and braised meats that benefit from slow, moist heat and long cooking times. Cooking times range from about 3 to 12 hours depending on the recipe and temperature setting.
In summary, slow cookers simplify meal preparation by allowing cooking on low heat over long periods, deliver tender and flavorful results especially for tougher meats, and offer convenient, energy-efficient cooking with minimal hands-on time.