How to Use an OTG Oven for the First Time

How to Use an OTG Oven for the First Time: Complete Beginner Guide

ByValue Kitchen Team
Editorial Note: This is an independent usage guide for OTG oven first-time users. No affiliate links are included. Instructions apply to most standard OTG ovens available in India from brands like Bajaj, Morphy Richards, Agaro, iBELL, and Usha.

An OTG (Oven Toaster Griller) is one of the most versatile kitchen appliances you can own. Baking, grilling, toasting, and roasting, all in one compact unit. But the first time you look at those three knobs and the tray rack system, it can feel unfamiliar.

This guide explains every part of an OTG oven in plain language and walks you through using it correctly from day one, including what the knobs do, how to preheat properly, and which rack position to use for different foods.

Before first use: Run your OTG empty at 200°C for 15 to 20 minutes with the door slightly open before cooking in it for the first time. This burns off manufacturing residue and any protective coating applied during production. You may notice a slight smell during this process, this is normal and clears after the first run.

Understanding the Three Knobs

Most OTG ovens have three knobs. Understanding what each one does is the foundation of using the appliance correctly.

Knob What It Controls Settings
Temperature knob How hot the oven gets Typically 100°C to 250°C (or up to 300°C on some models)
Timer knob How long the oven runs 0 to 60 minutes on most models. Turns off automatically when time is up and rings a bell.
Function / Mode knob Which heating elements activate Toast (top only), Bake (both top and bottom), Grill (top only at high intensity), and sometimes Convection on premium models
The sequence to follow every time: Set the function mode first, then set the temperature, then set the timer. This order ensures the right heating elements activate at the correct temperature before your food goes in.

Bake, Grill, and Toast Modes Explained

The function knob is the most important one for getting the result you want.

Bake mode: Both the top and bottom heating elements activate. Heat surrounds the food from above and below. This is the mode for cakes, muffins, cookies, bread, and any food that needs even heat from all sides. The bottom element provides the base heat for rising and cooking through, and the top element creates the golden surface.

Grill mode: Only the top heating element activates, at high intensity. The direct overhead heat chars and browns the top surface of food quickly. Use this for paneer tikka, chicken tikka, kebabs, grilling vegetables, and anything you want charred on top. Food needs to be placed on the upper rack to be close to the top element.

Toast mode: Similar to grill but gentler. Used for toasting bread slices and warming bread products. Some OTGs combine toast and grill into one setting.

Convection mode (if available): Premium OTG models include a fan that circulates hot air evenly inside the chamber. Convection mode reduces cooking time by 15 to 25% and produces more even browning. If your OTG has this mode, use it for baking for best results. Reduce the recipe temperature by 10 to 15°C when using convection compared to standard bake.

How to Preheat Correctly

Preheating is not optional, it is one of the most important steps for good results, especially for baking.

An OTG oven placed cold into a recipe will give you uneven results. The edges of a cake bake while the centre is still liquid, cookies spread before setting, and bread does not develop the right crust. Preheating ensures the entire oven chamber is at the correct temperature before food enters.

How to preheat:

Set the function mode to Bake (or Grill if grilling). Set the temperature to your recipe temperature. Set the timer to 10 to 15 minutes. Let the empty oven run for the full preheat duration. For most recipes at 180°C, a 10-minute preheat is enough. At higher temperatures (200°C to 220°C), preheat for 12 to 15 minutes.

How to know when it is preheated: Most basic OTG ovens do not have a preheat indicator light. The general rule is to add 2 to 3 minutes on top of what you would expect, a 180°C preheat for 12 minutes is reliable on most Indian OTG models. Some models have an indicator light that turns off when the set temperature is reached.

Rack Positions and When to Use Each

Most OTGs come with 2 to 3 rack positions inside the chamber. Using the right position significantly affects cooking results.

Rack Position Best For Why
Top rack (closest to top element) Grilling, browning, toasting Direct intense heat from the top element gives charring and browning quickly
Middle rack Baking (cakes, muffins, cookies, bread) Most even heat distribution from both top and bottom elements. Best position for most baking.
Bottom rack Pizza, pastry bases, items needing a crispy bottom Closer to the bottom element for more heat from below. Good for a crispy base.

Using Your OTG for Baking

OTGs are excellent for baking cakes, cookies, muffins, bread, and Indian baked items like nankhatai and puff pastry. Follow these steps for reliable results.

Step 1: Preheat to your recipe temperature for 10 to 15 minutes on Bake mode.

Step 2: Use baking tins that fit your OTG. Measure your OTG’s internal dimensions and buy tins accordingly. Most 20L to 30L OTGs fit a 7-inch round tin or a 7×5 inch loaf tin comfortably.

Step 3: Place the filled tin on the middle rack.

Step 4: Set the timer for your recipe time. Check doneness 5 minutes before the stated recipe time, OTG temperatures can vary by model.

Baking tip for Indian OTGs: Indian OTG temperatures often run 10 to 20°C hotter than the dial indicates, especially in lower-cost models. For your first few bakes, check 5 to 10 minutes early and use the toothpick test (insert toothpick in the centre, if it comes out clean, it is done). Adjust your timer for the next bake based on what you observe.

Using Your OTG for Grilling

The grill function is ideal for paneer tikka, chicken tikka, seekh kebab, grilled vegetables, and garlic bread.

Step 1: Preheat on Grill mode at 220°C to 250°C for 10 to 12 minutes.

Step 2: Place marinated food on the wire rack (the mesh rack, not the solid baking tray). Place the drip tray underneath to catch any marinade or fat that falls during grilling.

Step 3: Position the rack in the upper slot, closer to the top grill element.

Step 4: Set the timer for your food. Most paneer tikka and vegetables take 15 to 20 minutes at 220°C, turning once halfway through.

Watch the drip tray: During grilling, excess marinade and oil drip onto the tray below. If the drip tray builds up too much liquid, it can smoke. Remove the drip tray between batches and wipe it clean before the next batch.

Temperature Reference for Common Foods

Food Mode Temperature Time
Cake (7-inch round) Bake 170 to 180°C 30 to 40 min
Cookies / Biscuits Bake 160 to 170°C 12 to 18 min
Muffins Bake 180°C 18 to 22 min
Bread loaf Bake 180 to 200°C 25 to 35 min
Paneer tikka Grill 220°C 15 to 20 min
Chicken tikka Grill 220 to 250°C 20 to 25 min
Garlic bread Toast / Grill 180°C 6 to 8 min
Pizza (homemade) Bake 200 to 220°C 12 to 18 min
Toast (bread slices) Toast 180°C 4 to 6 min

Common First-Use Mistakes to Avoid

Skipping the preheat: Placing food in a cold OTG is the most common beginner mistake. Always preheat for the full 10 to 15 minutes before putting any food in. Recipes are written assuming the oven is already at temperature when food enters.
Using the wrong mode: Baking on Grill mode burns the top of your cake while the inside stays raw. Always match the mode to the food, Bake for anything needing even heat, Grill for charring and browning from above.
Overfilling the oven: OTGs need airflow around food to cook evenly. Overcrowding the tray or stacking items blocks heat circulation. Leave space between items and between the food and the oven walls.
Not using the drip tray when grilling: Always place the drip tray on the bottom slot when grilling. Marinades and fats that drip onto the oven floor bake onto the surface and cause smoke in future uses. The drip tray catches all of this and is easy to clean.
Touching the oven walls or top element: The inside of an OTG gets extremely hot, both walls and the top heating coil. Always use oven mitts when removing food. Never touch the heating elements, even after the oven has been off for a few minutes.

Looking for an OTG oven? Read our Bajaj 2200 TMSS vs iBELL 25L OTG comparison to find the right model for your budget.

Frequently Asked Questions

What is the difference between an OTG and a microwave oven?

An OTG heats food using exposed heating coils (top and bottom) and radiant heat, the same way a conventional oven works. It is excellent for baking, grilling, and roasting. A microwave heats food using microwave radiation that excites water molecules inside food, it reheats and cooks quickly but cannot bake or grill. For baking cakes, making tikka, or roasting, an OTG is the right appliance. For reheating leftovers or cooking vegetables quickly, a microwave is faster.

Can I use aluminium foil in an OTG oven?

Yes. Aluminium foil is safe to use in an OTG oven, unlike in a microwave. Use it to line the drip tray for easy cleaning, tent over the top of a cake if it is browning too fast, or wrap items you want to steam-bake. Do not cover the entire rack with foil as this blocks heat circulation and gives uneven results.

My cake is burning on top but raw inside. What is wrong?

This is usually caused by one of three things: the temperature is too high, you are using Grill mode instead of Bake mode, or your OTG runs hotter than its dial indicates. Try reducing the temperature by 10 to 15°C, confirm you are on Bake mode (both elements), and tent the top of the cake with aluminium foil after the first 15 to 20 minutes if the top is browning too fast while the inside is still cooking.

How do I clean an OTG oven?

Always unplug and let it cool completely before cleaning. Remove the wire rack and drip tray and wash them with warm soapy water. Wipe the interior walls with a damp cloth, never spray water directly inside. For baked-on food on the interior floor, make a baking soda paste, apply, leave for 15 minutes, then wipe off with a damp cloth. The glass door can be cleaned with a mild glass cleaner. Dry all parts before reassembling.

What size OTG should I buy for a family of four?

A 20 to 25 litre OTG is comfortable for a family of 4. It fits a 7-inch cake tin, a standard pizza, and enough paneer tikka or chicken for a meal. If you bake often or entertain regularly, a 30 to 35 litre model gives you more room for larger batches. Anything below 16 litres is best for single servings or very occasional use.

This guide covers general OTG oven operation guidelines applicable to most standard OTG ovens available in India. Always refer to your specific model’s user manual for manufacturer instructions. ValueKitchen is an independent kitchen resource for Indian households.

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