Ovens are not typically round; they come in various shapes and designs. While round ovens do exist, they are not the most common shape for modern ovens found in homes and commercial kitchens. Rectangular or square-shaped ovens are more prevalent.
That said, round ovens have been used historically in certain traditional cooking methods, such as wood-fired brick ovens or tandoori ovens. These round designs allowed for even heat distribution and efficient air circulation within the oven, resulting in more consistent cooking.
However, when it comes to modern ovens, rectangular or square shapes are generally preferred due to their practicality and the ease of manufacturing. These shapes accommodate standard baking sheets, trays, and pans more efficiently, providing better space utilization and maximizing the oven's cooking capacity.
The specific shape of an oven can vary depending on its purpose. For example, pizza ovens are often round to facilitate the rotation of pizzas and even cooking. On the other hand, convection ovens, which use fans to circulate hot air, usually have a more rectangular shape to optimize airflow and heat distribution.
In summary, while round ovens have historical significance and specific applications, rectangular or square shapes are more common in modern ovens due to their practicality and compatibility with standard cookware.