Why do you pierce the lid of food when put it in microwave?

1. Pressure Relief: Microwaves generate heat by causing water molecules in the food to vibrate rapidly, creating steam. Piercing the lid allows this steam to escape, preventing pressure buildup inside the container. As the food cooks, it creates steam.

Without an escape route, this steam can cause the container to burst or explode, leading to messes and potential injuries.

2. Food Texture: Microwaves heat unevenly, and when steam builds up inside the container, it can cause uneven cooking. Piercing the lid allows the steam to escape, distributing the heat more evenly, resulting in properly cooked food.

3. Preservation of Nutrients: Trapped steam can lead to overcooking, reducing the food's nutritional value. Piercing the lid ensures the steam escapes and the food gets the optimal heating required to preserve its nutritional content.

4. Food Splattering: Without a release for the steam, the heated air within the container can cause liquids and food particles to splatter. Piercing the lid prevents this mess and keeps the microwave clean.

5. Avoidance of Burns: If steam pressure builds up inside the container during microwaving and the seal breaks without any means of escape, the sudden rush of hot steam can cause severe burns when the container is opened.

6. Faster Cooking: In some instances, piercing the lid can speed up cooking by allowing steam to escape, promoting heat distribution and faster penetration.

7. Safety and Hygiene: Bursting containers can cause hot contents to spill and make a mess. Piercing the lid prevents accidents, helps maintain hygiene in the kitchen, and keeps countertops and utensils clean.

It's worth noting that different types of food may have specific recommendations regarding lid piercing. Always follow any specific instructions provided on food packaging or consult reliable cooking resources for the best microwaving practices for various foods.