The standard 60cm oven has been joined by various other sizes. Now consumers can choose from 60,70 and 90cm wide built-in single ovens. Always check the internal capacity shown in litres as well as the external dimensions.

Consider which accessories might be beneficial. Many models can be supplied with a draining basket, chopping board and strainer bowls. A drainer extension can be useful for sinks without a drainer where worktop space is limited in a small kitchen.

For cake-like brownies, increase the amount of eggs used. For chewier brownies, decrease the amount of eggs used