So, let's get down to business - the average cooking time for lasagna is around 30-40 minutes, but this can vary depending on the size and thickness of your dish. If you're making a smaller lasagna, you might be looking at around 20-25 minutes, while a larger one could take up to 50 minutes or more.
Now, I know what you're thinking - what about the temperature? Well, most recipes will call for a medium-high heat, around 375-400°F (190-200°C), but this can also vary depending on your oven and the specific recipe you're using.