Clean Your Hob with Lemon and Bicarbonate of Soda

Anyone who enjoys cooking knows the familiar issue: whether it’s a ceramic hob, induction, or a traditional gas hob, a few meals in and you’re left with a mix of grease, starch and burnt-on residue. Pricey specialist cleaners make bold promises, but don’t always deliver. In many cases, an effective alternative is already waiting in the fruit bowl or the fridge.

Why hobs get so stubbornly dirty

When you fry, oil splatters; pasta water boils over; sauces bubble up and spill. In day-to-day life, you often give the surface a quick wipe because you’re in a hurry. The result is that liquids bake on, and fats polymerise - in other words, they effectively “set” onto the surface. With every cooking session, that layer becomes thicker and tougher.

• Grease and oil burn in at high heat and can discolour the glass surface.
• Sugary sauces or milk can leave sticky brown marks.
• Salt and food remnants combine with heat to form a hard crust.

Many people then reach for harsh cleaners or scrub away for minutes with scouring sponges. That wastes time and patience - and on glass-ceramic or induction hobs it can even leave fine scratches.

The natural miracle from your kitchen

Instead of heavily perfumed chemicals, a kitchen classic can help - one many people associate more with tea or drinks: lemon. Its high citric acid content acts like a natural solvent for grease and limescale traces. It also leaves a fresh scent behind, without needing artificial fragrances.

"Citric acid dissolves greasy films, slightly brightens discolouration and helps the smooth surface of the hob shine again."

For this to work, an ordinary fresh supermarket lemon is enough. If you don’t have one, you can use pure bottled lemon juice - but fresh fruit is usually better, because the peel also contributes additional essential oils.

Step by step: cleaning the hob using only lemon

A lemon-based clean is ideal for everyday marks and a light film of grease.

Preparing the hob

• Let the hob cool completely so there’s no risk of burns.
• Remove any loose food debris with kitchen roll or a soft cloth.
• If needed, carefully lift off stuck-on residue (including metal marks from pans) with a dedicated hob scraper.

Using the lemon

• Prepare half a lemon: Cut a lemon in half. Ideally remove the pips first so they don’t roll across the surface.
• Rub directly on the surface: Move the cut side in circular motions over the hob. Press lightly to release the juice.
• Allow it to work: Leave the juice on the surface for 2–5 minutes; for tougher marks, leave it a little longer.
• Wipe with a damp cloth: Use a slightly damp microfibre cloth to wipe the area and lift away the loosened dirt.
• Buff dry: Polish with a dry, lint-free cloth until there are no streaks.

For fresh splashes, this routine is often enough to get the surface clean and smear-free again. Older crusts, however, usually need one extra helper - still something you’ll find in the kitchen.

Heavy soiling: lemon combined with bicarbonate of soda or baking powder

If grease and food residue have had weeks to harden on the hob, even lemon can reach its limits. That’s when a second kitchen staple helps: bicarbonate of soda - or standard baking powder, which is largely made up of it. The powder is mildly abrasive and boosts the cleaning power of the citric acid.

"Lemon dissolves, bicarbonate of soda gently scrubs - together they shift stubborn layers without scratching delicate glass surfaces."

The combination in practice

• Get half a lemon ready: Prepare one half as before.
• Sprinkle powder onto the fruit: Add a small amount of bicarbonate of soda or baking powder directly onto the cut face. You’ll get a slightly gritty coating.
• Work on the dirty areas: Rub the prepared lemon over the worst spots. A gentle fizzing reaction starts - a sign the acid and bicarbonate are reacting.
• Leave briefly: Let the mixture sit on the hob for 2–3 minutes so the crust can loosen.
• Remove with the soft side of a sponge: Wipe up the paste using a soft sponge (on glass hobs, do not use the rough scouring side).
• Rinse and dry: Wipe again with clean water, then finish by drying thoroughly.

If you like, dampen the most stubborn patches with a little warm water first. The warmth helps soften old grease slightly before the lemon and bicarbonate of soda go to work.

Benefits of the natural method in everyday life

Reaching for lemon and bicarbonate of soda comes with several advantages - especially noticeable in homes with children or pets.

• Less chemistry in the kitchen: No aggressive fragrances and no caustic spray mist that can be inhaled.
• Low cost: Lemons and bicarbonate of soda are inexpensive, often already in the cupboard, and keep well.
• Pleasant smell: Instead of a sharp cleaner odour, you’re left with a fresh, lightly fruity scent.
• Gentler on surfaces: Used correctly, scratches are far less likely than with harsh abrasives or wire wool.

There’s also a psychological benefit: when you’re comfortable cleaning your hob with simple ingredients, you tend to do it more often - so stubborn build-up doesn’t get the chance to form.

How often should you clean the hob?

A common rule of thumb in many households is: wipe quickly after every cook, then do a deeper clean once or twice a week. Lemon works well for both. A fast pass after cooking helps stop sauce splatters drying on in the first place. The more intensive lemon-and-bicarbonate mix is useful once heavier soiling has already built up.

Situation	Recommended method
Light splashes after frying	Rub briefly with half a lemon, then wipe with a damp cloth
Dried-on boil-over ring	Lemon + short dwell time, then a microfibre cloth
Weeks-old, dark crust line	Combine lemon with bicarbonate of soda, rub repeatedly

What to consider with ceramic and induction hobs

Glass-ceramic and induction surfaces are considered scratch-sensitive. The lemon-and-bicarbonate method is generally well suited, but it’s still worth keeping a few points in mind:

• Don’t use wire wool or metal scouring pads.
• Use only fine bicarbonate of soda, not coarse scouring powders.
• If you use a scraper, hold it at a shallow angle.
• After cleaning, wipe thoroughly so no powder residue dries out on the surface.

If you’re unsure, test the mixture first on a small, less visible area. That way you can quickly see how your particular hob surface responds.

Why lemon works - a quick explanation

Lemons contain a high proportion of citric acid. This organic acid binds metal ions, helps lift light limescale traces, and can loosen fatty films on the surface. At the same time, the essential oils in the peel have a mild degreasing effect. Bicarbonate of soda adds to this with its gentle abrasive texture and its reaction with the acid, which produces carbon dioxide - visible as a light fizzing.

Compared with many shop-bought cleaners, the ingredients list is far more straightforward: not a complex chemistry set, but a duo that has been used as a household remedy for decades.

Other places to use it in the kitchen

Once you’ve seen how well lemon and bicarbonate of soda perform on a hob, you’ll often end up using the combination elsewhere around the home:

• The interior of ovens (without a self-cleaning function)
• Stained stainless-steel sinks
• Plastic chopping boards that smell of onion or garlic
• Light limescale rings on taps

However, the acid isn’t suitable for sensitive natural stones such as marble or certain limestone-based materials, as it can attack the surface. In those cases, it’s worth checking the manufacturer’s guidance or using a dedicated stone cleaner.

If you stop reaching straight for specialist supermarket bottles when faced with stubborn crusts, you can save money, be kinder to your airways, and reduce chemical use at home. Often, a simple lemon is all it takes to make the hob presentable again - and you’ll start the next cooking session feeling better about it.