Top 6 Extra Large (Largest) Convection Countertop Ovens 2022

Looking for the largest countertop convection oven that meets your demand?

Great, because we reviewed 6 versatile models by popular brands here!

Continue reading if you wish to find out about 8-slice, 15-inch wide, combo, and pizza toaster ovens that work with convection and are engineered for countertop use. Moreover, in this article, we talk about features to keep in mind when buying such a kitchen appliance to make it easier for you. Enjoy reading!

The Rundown

Best Of Best Extra Large Convection Countertop OvenOster Digital Countertop Toaster Oven RundownOster XL Digital Convection Oven
With an 18-slice capacity, a wide temperature range, and digital presets, it can toast, bake, broil, etc while sitting on the countertop.
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Best 8-Slice Largest Countertop Convection OvenBlack & Decker 8-Slice Toaster Oven RundownBlack And Decker Extra Wide Toaster Oven
Holding 8 slices of toast, it can toast, bake, broil, and keep food warm inside an extra-wide interior suitable for bakeware.
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Best 15-Inch Wide Large Convection Countertop OvenToshiba Convection Toaster Oven RundownToshiba Convection Toaster Oven
With a 6-slice capacity, the oven is big enough to hold a 12-inch pizza, offering 10 digital settings, including toast, rotisserie, etc.
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Best Combo Largest Countertop Convection OvenHamilton Beach XL Toaster Oven RundownHamilton Beach Oven
Besides toasting bread, this unit with two racks can be used as a broiler and a rotisserie for up to 5-pound chickens.
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Best Pizza Extra Large Convection Countertop OvenOster Digital Toaster Oven RundownOster XLarge Convection Oven
Holding two 16-inch pizzas at once or 14 slices of bread, you can toast, broil, bake, and more with heated air circulation.
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Best French Door Largest Countertop Convection OvenElite Gourmet Toaster Oven, 45L RundownElite Gourmet Toaster Oven
Equipped with a double door and two racks that hold 9 bread slices each, it can be used as a rotisserie, broiler, toaster, etc.
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Top 6 Largest Countertop Convection Ovens

Best Of Best Extra Large Convection Countertop Oven

Oster XL Digital Convection Oven

18-Slice Capacity
This Oster digital countertop convection oven is constructed from stainless steel material and features a door with a large viewing glass window. Its interior is very spacious, fitting up to 18 slices of bread inside, making it one of the largest convection ovens.

Oster Digital Countertop Toaster Oven

Digital Setup
The Oster extra large convection toaster oven is also ideal for preparing two take-and-bake pizzas at once, or even a family-sized chicken. Equipped with a digital control panel and a display, it allows you to choose between settings toast, bake, warm, broil, pizza, and defrost. They are just a click away.

Included Components
In the package, you will get a broiling rack, a baking pan, and two oven racks. The inside of the Oster extra large digital countertop convection oven is easy to clean. The control panel also lets you set up the cooking temperature, as well as time for up to 90 minutes with automatic shut off.

Oster Digital Countertop Toaster Oven Review

Wide Temperature Range
The convection technology allows fast cooking with even heating and the oven also has a turbo convection cooking program. The temperature of the oven is adjustable between 200 and 450 Fahrenheit degrees, depending on the cooking program you want to use.

Short Description:

  • stainless steel material with a glass window
  • fits 18 toast slices, 2 frozen pizzas, etc
  • toast, bake, warm, broil, pizza, defrost
  • broiling and two oven racks, baking tray
  • adjustable temperature from 200 to 450°F

Best 8-Slice Largest Countertop Convection Oven

Black And Decker Extra Wide Toaster Oven

Extra-Wide Interior
This Black and Decker 8-slice toaster oven is an extra-wide model for countertop use, featuring a large glass door with a handle. It comes in black color in combination with stainless steel to look nice in any kitchen decor. Besides 8 toast slices, it can fit a 12-inch pizza or most baking pans measuring 13 by 9 inches.

Black & Decker 8-Slice Toaster Oven

Adjustable Oven Temperature
A toasting rack and a perfect-fit baking tray come included with the Black and Decker TO3250XSB model. With the convection heating feature, hot air is circulated throughout the largest countertop convection oven to ensure even and fast baking. The temperature knob allows you to set the cooking temperature up to 450°F.

Oven & Toast Dedicated Timers
The oven timer can be set for up to 60 minutes and also has a stay-on feature available. The toast timer is dedicated to selecting a toast shade from light to dark, according to your preference. The Black and Decker extra wide toaster oven offers three rack positions for flexibility, to accommodate different foods.

Black & Decker 8-Slice Toaster Oven Review

4 Cooking Modes
Besides toasting bread, this model can also be used for broiling, baking, and keeping food warm. The drip tray collects crumbs and other spills and keeps them in the bottom of the oven for easy cleanup. The Black and decker extra wide convection countertop oven can even fit lasagna inside and is ideal for baking brownies.

Short Description:

  • extra wide oven fits 8 slices of bread
  • includes a toast rack and a baking tray
  • convection circulates hot air inside the oven
  • 60-minute timer with stay-on function
  • temperature adjustments up to 450°F
  • used for toasting, warming, baking, broiling

Best 15-Inch Wide Large Convection Countertop Oven

Toshiba Convection Toaster Oven

6-Slice Capacity
This 15-inch wide toaster oven is suitable for fitting 6 slices of bread inside, or even a 12-inch pizza. It is constructed from stainless steel, featuring a control panel with a blue-backlit screen display. The door comes with a handle and a large viewing window to let you take a peek inside the oven during cooking.

Toshiba Convection Toaster Oven Review

10 Cooking Settings
The built-in convection fan circulates heated air inside the oven resulting in faster baking with even browning. The extra-large convection countertop oven can even fit a 4-pound chicken inside, casseroles, cookie trays, etc. The digital display allows you to choose between toast, pizza, cookies, rotisserie, bake, broil, reheat, keep warm functions, and more.

Temperature Control 
The interior of the oven is coated in a non-stick layer for easy cleaning and offers two rack positions for more flexibility. The oven temperature is easy to adjust by turning the temperature control dial from 150 to 450°F. The rotisserie setting rotates meat slowly while browning it uniformly on the outside.

Toshiba Convection Toaster Oven

Included Accessories
Included in the package, you will get a rotisserie kit, baking rack, crumb tray, as well as a rack clamp. The 6-slice convection toaster oven also has a timer control knob, allowing you to set up a cooking time for up to 2 hours. It sits great on kitchen countertops thanks to its high-quality design.

Short Description:

  • holds 6 toast slices, a 12-inch pizza
  • 15 inches wide for kitchen countertops
  • the convection fan circulates air in the oven
  • digital display with three control knobs
  • non-stick oven with two rack positions
  • temperature range from 150 to 450°F
  • rotisserie, bake, pizza, toast, broil, warm, etc

Best Combo Largest Countertop Convection Oven

Hamilton Beach Oven

Included Content
This Hamilton Beach extra large convection oven can fit two 12-inch pizzas at once, two cake pans, or two baking pans measuring 9 by 13 inches. It features two racks inside the oven and comes equipped with two baking trays, a broiler rack, a rotisserie kit, and a crumb tray.

Hamilton Beach XL Toaster Oven Review

Three Control Knobs
The rotisserie convection toaster oven uses convection technology to bake faster and more evenly than traditional ovens without this technology. The control panel consists of three control knobs with a turning design to set up the temperature, choose the cooking function, and set a cooking timer.

Multitude Of Uses
The revolving rotisserie can fit up to a 5-pound chicken, providing uniform browning results on the outside, while keeping the inside juicy. While the meat rotates inside the oven, all the excess fats and oils drip away from it. You can bake, rotisserie, broil, and toast in this unit that is one of the countertop convection ovens.

Hamilton Beach XL Toaster Oven

Adjustable Functions
Even though it has a large capacity, it is still compact enough for countertops, ideal in spaces without a conventional oven or as extra help in busy kitchens, while it is also energy efficient. The temperature is adjustable up to 450°F and the 2-hour timer comes with an automatic shut off function.

Short Description:

  • fits two 12-inch pizzas, cake pans, etc
  • two oven racks, baking trays, a rotisserie set included
  • fast convection baking with even results
  • rotisserie set for up to a 5-pound chicken
  • adjustable temperature and cooking timer

Best Pizza Extra Large Convection Countertop Oven

Oster XLarge Convection Oven

Single-Pull Door
Compared to the above-reviewed products, this Oster extra large digital convection oven comes with a French door. The double door system opens with just one pull for convenience. It features a digital control panel with touch buttons and a screen display for easy setup.

Oster Digital Toaster Oven

Customize The Settings
The digital panel allows you to choose among 8 cooking functions while it also lets you choose the cooking time and temperature. The cooking functions include toast, defrost, bake, broil, warm, pizza, turbo convection, and dehydrate settings.

For Two 16-Inch Pizzas
There are two racks inside the oven cavity suitable for fitting two 16-inch pizzas at once or 14 slices of bread and even a family-sized chicken. The timer can be set for up to 90 minutes while cooking. Once the time is up, this extra-large convection countertop oven will turn off automatically to prevent burning and overheating.

Oster Digital Toaster Oven Review

Stainless Steel Unit
The Oster XL French door convection toaster oven is also constructed from a stainless steel material that easily fits any kind of kitchen decor. The convection setting circulates air inside the oven for even and faster cooking. The glass French door allows you to check the cooking process inside the stainless steel toaster oven with the help of the interior oven light.

Short Description:

  • French double door opens with one pull
  • 8 digital settings with touch buttons
  • fits two 16-inch pizzas, 14 toast slices
  • toast, defrost, warm, bake, broil, pizza, etc
  • air circulation for faster and even cooking
  • adjustable cooking time and temperature

Best French Door Largest Countertop Convection Oven

Elite Gourmet Toaster Oven

18-Slice Capacity
This extra-large convection countertop oven features a double door with a 45-liter capacity with two oven racks. It can fit 9 slices of bread on each rack, for a total of up to 18 toast slices. It can also roast up to a 20-pound turkey inside while offering four rack positions depending on the type of food you cook.

Elite Gourmet Toaster Oven, 45L Review

Crispy & Brown
The French door is designed so that you can open only one or both of them at the same time, ideal for saving space on the kitchen countertop. With two racks, you can cook multiple foods at once. The hot air is circulated throughout the oven thanks to the convection feature for crispy and evenly browned results.

Four Control Dials
Rotisserie equipment is also included in the package, allowing you to roast chicken, turkey, and other meats. The control panel consists of four turning knobs. The first is used to choose the temperature of the upper heater between 150 and 450°F. The third is used for setting up the temperature of the bottom heater with the same temperature range.

Elite Gourmet Toaster Oven, 45L

60-Minute Timer
The function control knob is used to choose between programs for convection, rotisserie, and convection rotisserie. At the same time, you can also broil, toast, and bake with this double door toaster oven. The timer knob lets you select cooking time up to 60 minutes.

Short Description:

  • two racks fit 18 toast slices together
  • used for toast, broil, bake, rotisserie, etc
  • separate temperature adjustments for heaters
  • wide temperature range from 150 to 450°F
  • rotisserie equipment included in the package
  • four rack positions for flexible cooking
  • 60-minute timer, four control knobs

What To Consider In Extra Large Convection Countertop Ovens?

Besides the capacity of the convection toaster oven, you should also learn about the benefits of this oven technology. Apart from that, when choosing a model, it is important to look for the ones that are easy to use. Moreover, you should check out the cooking programs the unit has to offer and learn about accessories that usually come included with the purchase.

Convection – With a built-in convection fan, the hot air is circulated inside the unit. That way, cooking time is reduced, while baking results are more even. This includes even browning and more uniform baking results. It is a great feature for dehydrating and making crispy foods.

Capacity – These countertop ovens usually have an oven big enough to hold 8 toast slices or more. They usually feature two oven racks, so that you can even fit two 12-inch or pizzas with bigger diameter at once. At the same time, they are suitable for countertops without taking up too much space.

Ease Of Use – For an extra-large convection toaster oven to be easy to use, look for some of the following features. Make sure that the functions and controls are clearly labeled for your easy understanding. The control panel should also be intuitive to use with a screen display that is easy to read.

Cooking Programs – Besides toasting bread, such an appliance is usually also suitable for baking, broiling, rotisserie, keeping food warm, dehydrating, and more. Multifunction toaster ovens are a great alternative to traditional big ovens, allowing you to do versatile cooking in just one unit.

Accessories – Included with the extra-wide convection toaster oven, you will also usually get the appropriate number of oven racks and baking trays. Besides that, a crumb tray is also included and keeps the crumbs as well as fats and other drips away from the countertop. For products that can also be used as a rotisserie, you will get an adequate rotisserie kit included.

To Wrap It Up

The Oster extra large convection countertop toaster oven is our top choice. This model holds 18 toast slices, allows temperature adjustments, and offers cooking programs for broiling, defrosting, baking, pizza, toast, etc. For other large models with convection, consider our choices of large convection toaster ovens. If you want a toaster oven in combination with an air fryer, check out our reviewed models of large toaster oven air fryer.

Meghan began her career as a journalist in 2016 after graduating with a Master’s degree. Through her work as a journalist, she has built relationships with many industry leaders, including experts in cooking which prompted her interest in cuisine. In 2018, she joined a cooking course where she explored many tips and tricks she presents in her articles and reviews. Meghan joined the Kitchentoast team in 2020 and since then, she has been focusing on writing about cooking, baking, design, kitchen appliances, and more.