Use an oven: settings, preheating, shelves and the grill

Find the function before choosing a temperature

An oven surrounds food with heat. A fan oven moves hot air around; a conventional oven relies mainly on its heating elements without a circulation fan. A grill directs intense heat from above. These are not interchangeable settings.

Find your model's instructions and identify its normal fan or conventional cooking function, temperature control, preheat indicator and off position. Symbols vary. A fan symbol can also mean a defrost-only mode on some appliances, so do not identify the function by its picture alone. Some ovens will not heat until the clock is set or a separate start button is pressed.

Find the model number on its label while the oven is cold, without removing covers or moving an installed appliance. Look up that exact model on the maker's support site, or use its supplied booklet. Identify normal baking, the off control, temperature scale, shelf insertion and preheat signal before heating. A newly installed or unused oven may need a separate maker-specified first-use cleaning/heating routine; complete that before this food practice. Do not use a damaged appliance.

An example of oven controls

The linked Bosch HBF113BR0Z manual is an example, not a claim about your oven. Its function knob chooses 3D hot air or top/bottom heating; its temperature knob sets degrees C. Heating begins after a few seconds, and the heating symbol first going out indicates the normal preheat point. The function knob returns to Off to stop. Its independent timer does not stop heating.

Use your own normal cooking mode, not a lamp-only, defrost, gentle/eco or rapid-heat symbol guessed from its appearance. If your manual requires switching from rapid preheat to baking, make that change before loading. When the instructions or controls are unclear, ask the maker or someone who can identify them with you; do not test by touching an element.

Set out the equipment

• A clean intact oven-safe tray or dish suited to the recipe, plus a dry heatproof landing surface or trivet large enough for its whole base. Keep that route short and clear, without reaching over a hot hob. For the first carrot task, use a sturdy rimmed metal tray without a paper lining; you do not need to learn lining and oven handling together.
• Two dry, intact, properly heat-resistant oven gloves covering both hands, a timer and heat-safe food-moving utensil. Rehearse their grip before heating. Damp gloves or an ordinary tea towel are not substitutes for this first hot-tray lift.
• The recipe or packet with the temperature for your oven type. For example, 200 degrees C conventional and 180 degrees C fan are alternative settings in a recipe, not two stages.
• Check that the dish, handles, lid and any lining are rated for the chosen temperature and function. Oven-safe does not automatically mean grill-safe. Keep baking paper away from a grill element.

Preheat and load the oven

1. With the oven cold, remove stored trays or anything not meant to heat. Set the shelf at the recipe's stated level, or near the middle for a simple single-tray bake. Slide it fully into its supports and check it sits level. Check any raised lip or safety stop is oriented as the maker shows; never force a shelf that is crooked or jammed.
2. Close the door. Select the required cooking function and temperature, then start the oven as its manual describes. Wait for its preheat signal or indicator rather than assuming it is ready after a fixed number of minutes.
3. Prepare the food on the tray while the oven warms. Do not overfill it or block the ventilation around it. Leave room to grip the tray securely.
4. Put on dry gloves, open the door and stand slightly back while the first heat escapes. Keep face and bare forearms away from the opening.
5. With gloves securely gripping both tray sides, carry it level and set it fully on the shelf without touching the oven walls or element. Do not release until it is supported. Slide a permitted pull-out shelf back as its manual shows, then close the door by its handle. Do not balance food on the open door.
6. Set the cooking timer from loading. Stay within hearing of it. A timer may only beep; it may not turn the oven off.

Check and remove food

1. Start checking at the early end of the recipe's time range. Have the gloves, trivet and checking utensil ready before opening the door.
2. Open with face and bare forearms back from escaping heat. Grip both tray sides through dry gloves, lift it only clear of the shelf and carry it level to the prepared trivet. Close the oven door before checking. Do not reach into food with bare fingers or turn pieces while holding the tray in the air.
3. Use the recipe's texture and safety checks. A brown surface does not prove the centre is cooked. If more cooking is needed, return the tray and set a new reminder.
4. When finished, turn off the heating function and temperature control as directed. Keep treating the tray, shelf and oven interior as hot. Tell anyone sharing the kitchen where the hot tray is. A cooling fan may continue after heating is switched off; do not block it or assume a running fan means the controls need to be turned up. Leave cookware to cool safely before cleaning as its maker directs.

The grill needs its own instructions

UK grilling normally means direct heat from above; US recipes may call it broiling. It is not the ordinary fan-roasting setting. Check your exact manual for grill mode, strength, approved pan/rack, shelf distance, door position and preheat rule. Some designs require an open door and others a closed one. If any of these are unclear, stop and get the model instructions rather than guessing.

For a first grill task, use one slice of ready-sliced bread, not raw meat. Check its allergens. Have the maker-approved grill pan/rack, heat-safe tongs or turner, two dry oven gloves, trivet, clean plate and timer ready. Do not use paper, ordinary glassware, loose foil or a roasting tray whose grill suitability is unknown.

1. With the grill cold and off, fit its approved shelf and pan/rack at the maker's toast or flat-food distance. Rehearse carrying the pan to the trivet with gloves. Bread must stay safely below the element, not touch it. If your oven has no grill, do not try to turn its ordinary baking mode into one.
2. Set the grill mode and toast strength and preheat only as that model directs. Put the bread flat on the approved rack/pan, slide it securely into place and keep the door in the maker's required position. Start a reminder, but stay there and watch continuously; a timer is not permission to leave.
3. Check frequently as the surface begins colouring, often starting within 30 seconds, then in short 10- to 20-second checks as needed. Total time varies substantially with grill strength and shelf distance. When the first side is lightly golden, use gloves to put the pan on its trivet; turn the bread with tongs or turner, then return it securely.
4. Watch the second side in the same way. Stop at the chosen light-golden toast, not smoke or blackness. Switch the grill off, remove the pan to its trivet and lift the bread onto the supported plate with the utensil. Close the door as the maker directs, leaving pan, rack and element untouched until cool. If smoke or fire occurs, use the emergency instructions below, not a water splash.

Practise with a cold tray first

• Roasted vegetables: spacing, oil and donenessA first tray of vegetables with size, heat and texture checks.

With the oven cold and off, practise loading an empty tray and carrying it level to the trivet with both gloves. Then load the prepared cold carrot tray, still without heat, to check its actual weight and grip. If it is too heavy or the route is awkward, use less food, a smaller suitable tray or assistance before heating. Follow the linked carrot lesson for the complete heated bake and its texture endpoint.

If the oven does not heat, switch off and recheck its function, clock and start controls in the manual. Do not alter wiring, safety switches or gas fittings. If smoke appears inside the oven, switch off only if safely accessible and keep the door closed; do not open it to investigate while smoking. For fire, get out, close doors if safe and call 999. Never pour water into a hot oven or attempt to carry burning cookware.