What oven rack cooks fastest and why?

The top rack of your oven cooks fastest. This is because it's closest to the heat source, typically the top heating element or broiler.

Here's why:

* Direct heat: The top rack receives the most direct heat from the element, leading to faster heating and cooking.

* Convection: Even with a conventional oven, hot air rises, meaning the top rack is in the path of the hottest air currents.

* Radiant heat: Some ovens use radiant heat, which also concentrates more strongly on the top rack.

However, it's important to note:

* Food placement: Food on the top rack can burn more easily, so careful monitoring and adjusting cooking times are crucial.

* Oven type: The exact difference in cooking speed between racks can vary based on your oven type and how it's designed.

General recommendations:

* Use the top rack for foods that benefit from high heat, like broiling, toasting, and finishing dishes.

* Use the middle rack for most baking and roasting, as it provides a balanced combination of heat.

* Use the bottom rack for slow-cooking dishes, as it's the coolest spot in the oven.