Ninja DCT451 12-in-1 Smart Double Oven with FlexDoor, Thermometer, FlavorSeal, Smart Finish, Rapid Top Convection and Air Fry Bottom , Stainless Steel
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Style: 12-in-1 with Thermometer
Features
- FLEXDOOR: Creates two separate ovens. Access just the top for quick meals and snacks, or open the full door so you can cook 2 meals, 2 ways on the top and bottom.
- FLAVORSEAL TECHNOLOGY: Two separate ovens prevents smells from crossing between ovens, so your flavors stay separate.
- SMART FINISH TECHNOLOGY: Sync both independent ovens to cook 2 meals, 2 different ways that finish at the same time.
- SMART COOK SYSTEM: Leave-in thermometer precisely monitors temperatures, so you dont have to.
- FASTER MEAL-MAKING: Spend less time cooking and more time with family. Eliminate back-to-back cooking for 65% faster meal-making than your traditional oven.
- 12 COOKING FUNCTIONS: Bake, broil, reheat, keep warm, bagel, and toast in the Top Rapid Oven. Air fry, convection bake, pizza, air roast, whole roast, and dehydrate in the Bottom Convection & Air Fry Oven.
- FAMILY SIZED CAPACITY: Ninjas Double Oven fits 6 lbs of wings and a 12 in pizza at the same time to feed up to 8 people.
- EASY FAMILY DINNERS: Two independent ovens let you cook a meal for the kids and a separate meal for the parents at the same time.
- WHAT'S INCLUDED: Countertop oven, 2 sheet pans, 2 wire racks, air fry basket, removable crumb tray, and chef-created recipe book with 15 recipes and cooking charts.
Description
Meet the Ninja Double Oven, the countertop oven that unlocks the power of two ovens in the counter space of one. Only Ninja has the FlexDoor that creates 2 separate ovens so you can cook 2 meals, 2 ways at different temperatures and cooking times. Use just the Top Rapid Oven for quick snacks, sides, and sheet pan meals—or the Bottom Convection & Air Fry Oven for larger roasts, bakes, or air frying up to 6 lbs of wings. You can also sync both independent ovens to cook a full course meal that finishes cooking at the same time with Smart Finish technology. While your meal cooks, FlavorSeal technology prevents flavor crossover between ovens. The Smart Cook System precisely monitors temperatures with the leave-in thermometer, so you don't have to. Two oven cavities in one eliminate back-to-back cooking for 65% faster meal-making than your traditional oven so you can put your wall oven out of business. Plus, this countertop dual oven features 12 cooking functions for the ultimate versatility.
Brand: Ninja
Color: Stainless Steel
Product Dimensions: 21.5"D x 16.39"W x 13.26"H
Capacity: 12 Liters
Special Feature: Programmable, Wipe Clean Exterior
Brand Name: Ninja
Included Components: Air Fry Basket, Baking Pan, Countertop Oven, Crumb Tray, Wire Rack
Model Name: Ninja DCT451
Model Number: DCT451
Warranty Description: 1 year limited warranty
Global Trade Identification Number:
UPC: 622356604499
Manufacturer: Ninja
Part Number: DCT451
Item Type Name: 12-in-1 Smart Double Oven with FlexDoor, Smart Thermometer, FlavorSeal, Smart Finish, Rapid Top Oven, Convection and Air Fry Bottom Oven, Stainless Steel
Color: Stainless Steel
Door Style: Dropdown Door
Other Special Features of the Product: Programmable, Wipe Clean Exterior
Wattage: 1800 watts
Control Type: Knob
Power Source: Corded Electric
Number of Shelves: 2
Item Dimensions D x W x H: 21.5"D x 16.39"W x 13.26"H
Capacity: 12 Liters
Item Weight: 31 Pounds
Size: 18.60" W x 16.39" D x 13.26" H
Material: Stainless Steel
Finish Type: Stainless Steel
Door Material Type: Stainless Steel
Frequently asked questions
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
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View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: 12-in-1 with Thermometer
The media could not be loaded. This toaster oven is the absolute best! It’s big, looks beautiful, and cooks and or reheats everything perfectly. It comes with two 12 x 12 trays that you can fit a lot of food on. I made bruschetta with baguettes and each tray held 30 pieces. It also has an air fryer tray that you can use for cooking or reheating. Everything comes out perfectly crispy. It’s very easy to use and I love that I can run both sections at once on different setting. I’m so happy with this purchase!
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Reviewed in the United States on January 3, 2026 by MerTone
Style: 12-in-1 with Thermometer
We've had a couple of air fryers, the basket kind that took up too much space, for the limited things that it would do, and the toaster oven kind from a brand that is outfront with certain pot that they make... This toaster oven with its two separate ovens which seems crazy but it's fantastic, does not use convection in the toasting top part of the oven. Instead of desiccating toast with hot convection waves, this actually toasts like real toast, you can put it on the rack or, I prefer oven toast on a small cooking sheet pan. This is like the toast I grew up with the toast that your grandmother or mother made in the oven! You can put butter on it and it comes out crunchy, not like a piece of sandpaper, as the toast from a convection oven does. That alone makes this thing worth it, however it has many other features that are user friendly, customizable, and helpful. So if you really do want to dry something out or cook it fast, the bottom of the will do that for you, and the air fry for french fries and fish sticks and chicken tenders, all of those things is fantastic and efficient and quick for an individual or a family. In fact the toast makes up pretty quick too because the top oven is very small so do not walk away. I've been accustomed to making toast for almost 4 minutes -- a now 2 minutes or so, you've got a nice medium brown piece of crunchy toast. Yes I'm obsessed with the toast! I really missed oven-type toast. It has a sweet little dinging tone for ending and selection that is not annoying like some of these models. Don't know if you can turn it off, I wouldn't want to because it's just the cutest little sound and is helpful. You have a dedicated instant on/off button. The knob selector that selects toast color and number or whatever function you need also punches in to lock that in. Once you are cooking, you can punch it to stop turn heat source immediately. There's also a button for a light that lights up both ovens, that stays on a fairly long time maybe 30 seconds. One tap and it's right back on again. It's slightly bigger than the "IP" brand that we had before, chunky little squareish thing. But it is much less wide than most of the multi-featured models out there, and of course it needs to be pulled out a little bit for hot air frying, cuz there's a vent on the back. The glass does get hot on the front, as of course it should. The two doors on this model are fantastic. You don't have to move stuff out of the way underneath, if your coffee is waiting for your toast to be done. You punch in the top button and open just the top shallow toaster oven, so there is no need to open all of the door that comes all the way down to the countertop. When you're making toast or Pop-Tarts or bagels or whatever, you only need open/close the top door. I love that little top flip door. You don't have a big hot oven spreading heat into the kitchen when you flip up in that little door. In fact both of them are well insulated even though the glass gets hot it does not spread heat into the room like our other brand. So you don't feel heat all the way from the countertop to the dining table as we had before. And it's quiet, so so quiet compared to the screaming multi-function oven we had before that sounded like a C-130 landing for 30 minutes. My one complaint and this is true of most appliances, when you have to burn and break in the new appliance. I thought I was going to leave the house. It is that disgusting and dizzying and miserable. It's much like self-cleaning your regular oven, it is smelly and sickening. There's just no way around it though. It has to be done before use, but I would recommend plugging it into the garage or even on a patio or something because inside the kitchen the smell of the burning off of the factory, really permeated the atmosphere in a miserable way. Turn your air purifiers way up, and the vent fan on your stove! Other than that it's a fantastic little appliance if you don't need to cook huge things. You could probably just live with this as your one and only oven. I'm not sure if you can bake cakes in it as you could with our other one, but I bake cakes in my big range anyway. I believe you can cook a whole chicken in this though. We use ours for toast and Pop-Tarts and bagels and warming up things reheating things, re-crisping things. There are a lot of things we microwave for a minute or so and then crisp up in this kind of oven and this does all of that very well. Another issue is that I toast buttered flour tortillas quite often, and I have burned up a toaster oven when the tortilla puffed up and touched the heating element. I heated up frozen flour tortillas, handmade by the way, so they are extra thick -- and I stood by and did not take my eyes off of the tortillas that were on a toaster oven size baking pan. I don't know if they just happened to be not puffy or if the freezing protected them from puffing up, but I successfully toasted some flour tortillas that were delicious. If you're going to do that, as with toast or bagel don't walk away, keep your eyes on that little top oven because it cooks really fast. So I'm crossing my fingers that I will have future successful toastings of flour tortillas. I really highly highly recommend this, especially if toasting bread is something that you do on a regular basis because the other air fryer / convection ovens do not have this extra little separate oven that is just a regular toaster oven. This makes all the difference. I've been suffering with desiccated bread from hot convection wind for a couple of years now, and it was such bliss to eat a regular piece of toast again that was cooked very quickly without having to heat up my huge oven that would have taken 20 minutes probably. Butter up a piece of bread throw it in on a little baking sheet, and you have some darn good crunchy medium toast in under 3 minutes, anyway. Pick your toast shade! Buy this thing you'll love it for the other functions as well. I first purchased an air fryer after having my gallbladder removed so I could enjoy crispy things without drowning them in oil. It's been 10 years, and we use an air fryer several times a week. High power 1800w so don't plug it in at the same time you're using another powerful appliance. This one shares a wall outlet with a coffee maker and can opener, is all. Worth every penny!!
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Reviewed in the United States on August 21, 2023 by NelleTex
Style: 12-in-1 with Thermometer
I got this double oven 3 years ago and it has almost completely replaced my oven use. There’s only two of us in my household, so it’s enough space for all of our meals. We only use the big oven when we’re having guests, though my oven has been down for the last few months, so we’ve had to use the Ninja double oven even with guests (we just cook in smaller batches). The convection setting is my fave because it cooks evenly and gives food a nice crispiness. Second to that is the air fryer feature, which is use mostly for reheating food, but also for fries. I use the bake option on the top oven for salmon. And we use the broil feature for steaks. If Ninja were to make a full size oven, I’m pretty sure I would buy it based on my experience with this double oven. I didn’t include a photo because I’ve really put this machine through its paces and it’s not as shiny as when I first got it, but it still works really well! I highly recommend!
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Reviewed in the United States on April 22, 2026 by CC
Style: 12-in-1 with Thermometer
I've had this oven/air fryer for less than a week, so still getting used to it. It looks nice, despite being rather big. Controls are easy to use, but a little different than a standard toaster oven's. Today I made bacon in the air fryer basket and was amazed how easy the basket cleaned up, especially considering it isn't the non-stick basket. The air fryer has done frozen chicken nuggets covered in BBQ sauce well, and the top has done a variety of reheating, cooking, and toasting--all perfectly fine, no complaints. There are some design touches I wish this double oven had... 1. I feel like there should be 2 separate doors, instead of the integrated door that can just be opened at the top for the top oven, or all the way for both. If I'm cooking something in the top, but just need to adjust something in the bottom, then I'm forced to still open the top oven. 2. The handle for the oven is about 3 inches high, so unless you are opening this on a counter where that handle goes off the edge of the counter, it doesn't allow you to open it all the way and be able to pull the bottom oven grate out all the way. I have put the oven up on some slider feet to give the base some height, but it's still not quite enough to balance the height of that handle when open. This just increases the likelihood of burning yourself and/or having trouble pulling out what you need in the bottom oven. 3. This double oven is not wide enough to hold a standard size (12") round pizza pan. What? That seems really silly. The internal oven width is just about 12.5" but a standard 12" round pizza pan is actually closer to 13" because there is an edge around the pan. The internal width of the oven is just about a quarter of an inch too narrow. Additionally, the internal width of the included square baking pans is not big enough for a full 12" round pizza either. So don't expect to cook a pizza bigger than 10"-11" with this oven. 4. My previous toaster oven had a magnet on the door that helped pull the oven grate out about an inch when opening the door. This was very very helpful and this oven does not have that feature. I really really miss it. Additionally, there was a little bracket inside my old toaster oven that prevented you from accidentally pulling the grates out too far and having them fall out. This would seem a pretty highly desired safety feature and I'm not sure why it wasn't included with this double oven. 5. Only one crumb tray for the bottom was supplied. I would like 2 for both oven compartments. You can buy another on the Ninja site for $10. All around, a good oven. I wouldn't pay $350 for it, but I got mine on a lightning deal for about $250. I think it was worth it. I'm looking forward to trying more things in the air fryer.
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Reviewed in the United States on May 20, 2024 by C. L. Cecil