September 28, 2026, 4:05 pm | Read time: 3 minutes
Lemons are not just versatile in the kitchen. Due to their acidity, they are also popular as a natural cleaning agent. Even stubborn dirt in the oven is said to be removable with them, while the trick promises a fresh scent. But can a lemon really tackle baked-on grease and crusts? myHOMEBOOK tested the method.
The Preparation
The oven–usually a stage for crispy homemade pizza and roasted vegetables–has turned into a small battlefield over several days. The level of dirt ranges from baked-on splatters to mysterious crusts and grease stains. The weapon to remedy this: a lemon.
The plan is simple: A lemon is halved and placed in a baking dish filled with water. Then it goes into the oven. At medium heat, it is supposed to quietly demonstrate its full range of effects. There is anticipation as the heat unfolds.
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The First Impression
After just a few minutes, a gentle, fresh scent spreads through the kitchen, almost creating a bit of Mediterranean flair. The cleaning attempt suddenly feels much less like a chore.
It takes about 30 minutes before the oven is turned off and the door is opened. A small cloud of steam escapes–warm, lemony, promising. A direct test is done with a cloth: Could the lemon remove the dirt? Indeed, an effect is quickly noticeable: Many residues can be removed much more easily. While a magical “one wipe and it’s all gone” moment doesn’t occur, the effort required is significantly less than before. It seems as if the impurities have been greatly softened by the warm acid. However, extremely baked-on stains still need additional help.
Also interesting: How to clean the oven without scrubbing
Powerhouse Lemon
The positive cleaning effect is easy to explain: The reason is the citric acid contained in lemons. It not only helps break down fat structures but can also effectively dissolve deposits like lime when combined with heat. Additionally, the ingredients have a mild antibacterial effect and help neutralize odors–especially in the oven.