A clean oven prevents smoke and burnt-grease smells. You don’t need harsh chemicals; you can clean a greasy oven with two cheap pantry staples as a hands-off overnight job.

This is a safety issue. In Singapore, unattended cooking caused 335 residential fires in 2024 (Source: SCDF). Baked-on grease acts as fuel, turning a routine bake into a fire hazard.

This guide covers how to clean a greasy oven using baking soda and vinegar. It also flags when to hire a professional cleaning service.

Why Clean Your Oven Regularly

Regular oven cleaning protects your safety, health, and food quality. A neglected oven creates issues, making it essential to learn how to clean oven interiors properly.

• Reduces fire risk: Accumulated grease ignites at high temperatures, and cooking is Singapore’s leading cause of home fires.
• Protects health: Heating old grease releases harmful smoke. Cooking-oil fumes contain particles linked to lung and liver damage and higher lung-cancer risk in non-smoking women (Source: PubMed).
• Improves food taste: Burnt-on residue transfers acrid odours to your food.
• Prevents pests: Grease and spills attract cockroaches, so removing residue is key (Source: NEA).

Singapore’s climate adds urgency. With 84% relative humidity year-round, grease turns rancid faster, and damp cavities invite mould and odours. This applies across your kitchen, from the stove top to cabinet doors.

Also Read: 7 Easy Oven Cleaning Tips for Singapore Homes (2025)

Cleaning Oven with Baking Soda and Vinegar: The Science

Cleaning an oven with baking soda and vinegar is effective only when applied in sequence, not mixed together beforehand.

• Baking soda (sodium bicarbonate): Mildly alkaline, it softens greasy, acidic soils. Its fine crystals provide a gentle abrasive action without scratching enamel.
• White vinegar (acetic acid): Cuts light grease and reacts with dried baking soda paste, creating a fizzing carbon dioxide gas that loosens residue.

The order matters: The alkaline baking soda degreases over several hours, while the vinegar follows to lift the paste and rinse away the white film.

⚠️ One mistake to avoid: Do not pre-mix baking soda and vinegar in a bottle. They neutralise each other into mostly water and salt, losing the alkaline degreasing power. Apply the paste first, then spray the vinegar.

Together, they form an excellent oven degreaser for everyday grime without the fumes of commercial caustic sprays.

Supplies You’ll Need: Your DIY Oven Degreaser Kit

Before you begin, gather everything in one place. Having your tools ready makes the job faster and stops you hunting for a cloth mid-clean with greasy gloves on. Everything here is a household staple or a few-dollar buy from NTUC FairPrice, Daiso, or Shopee.

Having the right tools on hand before you start is the key to a successful clean. For heavier sessions, it is worth stocking heavy-duty kitchen cleaning supplies rather than improvising.

Also Read: How to Clean Gas Stove & Range Hood (Step-by-Step Guide)

How to Clean a Greasy Oven: Step-by-Step

This systematic, four-phase method tackles neglected appliances. Learning how to clean a greasy oven this way requires one overnight cycle before becoming routine.

1. Preparation Phase

A few minutes of prep keeps you safe and makes the clean far more efficient. Don’t skip it.

1. Cool and unplug. Always start with a completely cool oven. For electric models, switch off at the wall as an extra safety measure.
2. Remove all parts. Take out racks, trays, and pizza stones, and set them aside to soak separately later.
3. Wipe out loose debris. Use a dry cloth or paper towel to sweep up crumbs and food particles from the bottom of the cavity.
4. Protect your floor. Lay newspaper or an old towel in front of the oven to catch drips and spills.

2. Creating and Applying the Cleaning Paste

This step is the heart of the method, and it’s where cleaning oven with baking soda does its real work. Apply the paste correctly and the grease will practically lift itself overnight.

1. Mix the paste. In a small bowl, combine about ½ cup of baking soda with just enough water to form a thick, spreadable paste—roughly the consistency of toothpaste.
2. Apply it evenly. Put on your gloves and use your fingers or a spatula to spread the paste over all interior surfaces, avoiding the heating elements and the fan.
3. Target the worst spots. Lay a thicker layer over areas with stubborn grease or baked-on food, where it will need more time to penetrate.

3. The Waiting Period

Patience allows the alkaline paste to break down grime, minimizing scrubbing. Leave the paste for a minimum of 6 hours, ideally overnight (up to 12 hours). It is best to apply it before bed so it dissolves stubborn residue while you sleep.

4. Vinegar Spray and Final Cleaning

After the wait, you finish the job and reveal a clean cavity. This is the final phase in the process of learning how to clean a greasy oven the natural way.

1. Spray with vinegar. Fill a spray bottle with white vinegar and spritz it generously over the dried paste. It will fizz on contact, loosening the residue.
2. Wipe it clean. Use a damp microfibre cloth or sponge to wipe away the foaming mixture. For tough spots, work an old toothbrush or a plastic scraper over the area.
3. Final rinse. Do a last wipe-down with a clean, damp cloth to remove any leftover film and the powdery white residue baking soda can leave.

How to Clean Oven Racks and the Glass Door

A complete job requires tackling the racks and the door—the parts that hold the most visible grime—while the paste works on the interior. Handling them separately is the secret to getting a genuinely clean finish.

How to Clean Oven Racks

Oven racks hold a surprising amount of baked-on food and carbonised grease. A hot soak does most of the work for you.

1. Prepare a soak. Line a bathtub or large sink with old towels to prevent scratching, then fill with very hot water and a generous squirt of dish soap.
2. Submerge and wait. Lower the racks in, fully submerged, and leave them for a few hours or overnight to loosen the residue.
3. Scrub and rinse. Use a non-abrasive pad to wipe away the loosened grime, rinse thoroughly, and let the racks dry completely before refitting them.

How to Clean the Glass Door

The door is the part you see every day, so a streak-free finish makes the whole oven look new. The same paste method works here on a shorter timer.

1. Apply the paste. Spread a fresh batch of baking soda paste directly onto the inside of the glass. For tough stains, let it sit for 15–30 minutes.
2. Spray and wipe. Spritz the dried paste with white vinegar to trigger the fizzing reaction, then wipe with a damp microfibre cloth. A plastic scraper lifts stubborn spots without scratching.
3. Polish. Finish with a clean, dry cloth for a streak-free, see-through shine.

Also Read: 7 Critical Kitchen Degreasing Fire Risks & Safety Rules You Must Know

How to Get Rid of Oven Grease That’s Baked On

When standard paste fails against carbonised deposits, use these reinforcements. They act as the best oven cleaner for baked on grease in a home kitchen:

1. Make a thicker paste: Use less water for a dense paste, apply it to problem areas, and leave it for an extra hour or two.
2. Add dish soap: Mix in dish soap to use degreasing surfactants that break down heavy oil.
3. Use a plastic scraper: Gently lift hardened deposits with a plastic tool to clear a badly oily oven without scratching enamel.
4. Repeat rather than rush: A second overnight round beats aggressive scrubbing.
5. Commercial products: For extreme carbon, use a caustic oven degreaser with gloves and ventilation.

At SuperClean SG, our deep cleaning crews use specialised tools for extreme cases, but baking soda and vinegar handle most typical household grime.

How to Clean a Convection Oven, Aiir Fryer, and Other Variations

The baking soda principle still applies to different designs, but you must protect moving parts and electronics:

1. How to clean convection oven models: When maintaining convection oven interiors, keep paste and moisture away from the rear fan and motor vents. Wipe these areas with a barely damp cloth instead of spraying vinegar.
2. Built-in wall ovens: Clean the cavity normally, but use extra caution around the door seal and exposed electronics.
3. Air fryers and benchtop ovens: These clean quickly because the parts lift out. Soak the mesh baskets and trays and use a soft brush rather than a scraper.
4. Self-cleaning ovens: Use the pyrolytic self-clean cycle for the cavity, but skip the baking soda paste during the heat cycle. Hand clean the racks and glass door separately.

The core takeaway is to keep electronics dry and dampen the cloth rather than the appliance.

How to Clean Your Oven After Use: Preventing Grease Buildup

Prevention requires far less effort than a deep clean. Learning how to clean an oven after use keeps maintenance to a quick two-minute wipe rather than a major project:

1. Use drip trays and liners: Place a baking sheet or reusable liner on the bottom rack to catch spills before they bake onto the floor.
2. Cover splatter-prone food: Use a lid or foil over roasts to keep grease off the walls and ceiling.
3. Wipe spills while warm: A quick wipe once the oven cools down to warm lifts fresh spills before they carbonise.
4. Do a light monthly maintenance clean: A quick monthly paste-and-wipe stops grease from needing an overnight soak.
5. Keep the kitchen in rhythm: Maintain the oven alongside regular cleaning habits suited for a compact HDB kitchen to stop grease from building up across the entire space.

Also Read: Complete Deep-Cleaning Checklist (Downloadable PDF) for Homes & Offices

When to Call Professional Cleaners

While DIY handles most jobs, hiring a professional is often smarter for your time, safety, and sanity. Consider a pro in these situations:

• Extreme, neglected grime: Years of carbonised grease are safer and faster for a professional to strip.
• End-of-tenancy handover: Landlords expect a spotless oven; a professional clean protects your deposit during a move-in/move-out clean.
• Physical limitations: Outsourcing is the sensible choice if health, mobility, or pregnancy makes scrubbing difficult.
• Before or after a big event. A whole-home reset—Chinese New Year, a housewarming, hosting family—is when a spring cleaning of the oven and kitchen together saves hours you don’t have.

Oven cleaning is typically included in a kitchen or whole-home deep cleaning. SuperClean’s deep cleaning service is priced by property size, starting from S$290 for homes under 500 sqft:

This flat rate covers the oven, stovetop, and range hood. For long-term prevention, a recurring weekly home cleaning keeps grease from ever taking hold.

Frequently Asked Questions (FAQs)

What is the best homemade oven cleaner?

The best choice is a baking soda and water paste followed by a white-vinegar spray. Spread the paste overnight, spritz with vinegar, and wipe. It costs under S$5, has no harsh fumes, and handles most grime. Mix in dish soap for stubborn spots.

How do you clean an oven without scrubbing or baking soda?

Use steam to soften grime. Place an oven-safe dish of water with vinegar or lemon on the bottom rack and heat at 120–150°C for 20–30 minutes. Once cooled, wipe it down. Alternatively, use a commercial oven degreaser spray with proper ventilation and gloves.

What is the fastest way to clean an oven with lemon?

Halve two lemons, squeeze them into an oven-safe dish of water, drop the halves in, and bake at 120°C for 30 minutes. The acidic steam loosens light grime and leaves a fresh scent for a quick wipe down.

How often should I clean my oven?

Do a light wipe after use and a deeper clean every 1–3 months for standard use. Heavy users should opt for a monthly deep clean.

Is baking soda and vinegar safe for self-cleaning ovens?

Yes, but only when the oven is off. Never run baking soda paste during a pyrolytic self-clean cycle, as extreme heat can bake the powder onto the enamel. Avoid heating elements and fans.

A thick baking-soda paste mixed with dish soap and left overnight is the best home method. Repeat the process for tough spots. Use a caustic commercial product only as a last resort for extreme carbonised deposits.

Can I clean a convection oven the same way?

Yes. The process to clean convection oven interiors is identical, but you must keep paste and liquids completely away from the rear fan and motor vents. Wipe those sections with a barely damp cloth.

Is professional oven and kitchen cleaning expensive in Singapore?

It is typically bundled into a full deep clean. SuperClean SG’s deep cleaning starts at S$290 for homes under 500 sqft, covering the oven, stovetop, and hood. For quotes, WhatsApp us at +65 3129 2688.

A Sparkling Oven, the Simple Way

Cleaning a greasy oven with baking soda and vinegar is an eco-friendly, low-cost solution. The alkaline baking soda paste breaks down grease overnight, and the vinegar spray lifts it away. This sequence restores shine, enhances kitchen safety, and protects food flavor.

Prevention is the ultimate goal. A quick wipe after use, covering roasting trays, and occasional overnight paste applications easily get rid of oven grease before it hardens, ensuring you never face a smoking, oily oven cavity again.

When grime is too severe—due to neglect, an end-of-tenancy handover, or lack of time—a professional deep cleaning service can tackle the oven, stovetop, and kitchen in one visit, eliminating guesswork and harsh fumes.

Short on time or facing an oven that’s beyond DIY? Get a no-obligation quote for a kitchen deep cleaning and let a trained crew handle the worst of it.