A common complaint with gas ovens, especially older ones, is that they bake food unevenly. A pizza stone can help remedy this. Photo by Jo.
To get a better idea of your oven's finicky baking behaviour, you can find its hot and cool spots using shredded coconut, then map it out with a broiler pan.
This helps you work around the issue, but a pizza stone can help you fix it. The Kitchn explains:
A pizza stone holds heat incredibly well and also radiates it outward at a very even and steady rate. This makes it a great tool not just for making pizza, but also for turning your cranky gas range into a sure and steady cooking machine.
If you bake with a gas oven, you'll want to check out the full post below, which is full of useful info.