Best Electric Roaster for Prime Rib

Prime rib is a celebratory roast popular for holidays and special occasions. When cooked properly, prime rib yields tender, juicy meat with a delightful crispy exterior crust. Many people choose to make prime rib in an oven, but an electric roaster is an excellent alternative.

Electric roasters provide even, consistent heat and simple controls to achieve perfect prime rib every time. The moist, enclosed environment helps prevent the meat from drying without constant basting. Plus, electric roasters allow you to cook a sizable roast with ease.

If you want to enjoy foolproof prime rib roasted to juicy, melt-in-your-mouth perfection, an electric roaster is the way to go. But with so many models on the market, how do you choose the best electric roaster for prime rib?

This guide will show you everything you need to know to cook amazing prime rib in an electric roaster. You’ll learn helpful tips for preparing and roasting prime rib and the top features to look for when shopping for the best electric roaster for prime rib. We’ll also recommend the best electric roaster models for prime rib roasting. 

Best Electric Roaster for Prime Rib

1. Best Overall: Oster Roaster Oven with Self-Basting Lid, 18 Quart, Black 

Best Electric Roaster for Prime Rib

My top overall pick for the best electric roaster for prime rib is this 22-quart roaster oven from the trusted brand Oster. It’s received rave reviews for cooking prime rib to tender, juicy perfection.

With a 26-pound maximum capacity, it easily accommodates even the most giant prime rib roasts. The generous size allows air circulation, so heat envelops the meat entirely.

It maintains set temperatures from 150 to 450°F very steadily. The self-basting lid has pointed drippings spikes to infuse juices into the meat.

The integrated self-basting lid has pointed drippings spikes to infuse juices into the meat. The lid and removable steel roasting pan go right in the dishwasher for no-fuss cleaning.

An elevated roasting rack optimizes airflow and drainage under the roast. 


  • Very large 22-quart capacity
  • Digital temperature controls for precision
  • Maintains low steady heat ideal for prime rib
  • Extremely affordable pricing
  • Includes buffet server pan and lid


  • The exterior gets very hot to the touch

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2. Hamilton Beach 28 lb 22-Quart Roaster Oven with Self-Basting Lid (Stainless Steel)

Best Electric Roaster for Prime Rib

With a spacious 22-quart capacity, the Hamilton Beach roaster oven can fit prime rib roasts up to 28 pounds, making it an excellent choice for large families or dinner parties. Its integrated self-basting lid continuously circulates heat and moisture for tender, juicy results.

The unique lid design traps vapors and then funnels them over the meat, eliminating the need to baste manually. The stainless steel construction is durable and resists scratches, with a sleek polished finish. The lid, removable rack, and pan are all dishwasher-safe for easy cleanup.

The temperature dial provides a wide range of up to 450°F. While not digital, the knob control makes setting your desired temp straightforward. Two interior racks allow you to cook sides alongside the roast to add flavor. 

For delicious prime rib for a crowd, the large capacity and self-basting lid make this Hamilton Beach an excellent electric roaster choice.


  • Very spacious 22-quart capacity
  • Self-basting lid keeps roast moist
  • Durable polished stainless steel
  • Wide temp range up to 450°F
  • Dishwasher-safe parts


  • Non-viewing window in the lid

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3. Nesco 18-Quart Roaster Oven

Best Electric Roaster for Prime Rib
The Nesco 18-Quart Roaster Oven is an excellent electric roaster for cooking juicy prime rib thanks to its generous capacity and precise temperature control. The stainless steel interior can hold roasts up to 18 pounds. The digital control panel allows you to dial in the ideal temperature between 200°F for slow roasting up to 450°F.

Once heated, the ThermoRange technology maintains an even, accurate temperature throughout the cooking time for perfect results. The convection fan circulates hot air to prevent cold spots. The removable interior and racks lift out for hassle-free access to check doneness.

At around affordable price, the Nesco 18-Quart Roaster Oven provides excellent performance for the price. The capacity, digital controls, and convection fan allow you to roast prime rib to tender doneness edge-to-edge.

With precise temperature control ideal for low and slow roasting, the Nesco 18-Quart Roaster Oven is highly recommended for cooking delicious prime rib.


  • 18-quart capacity for 18 lb roast
  • Digital panel for precision temperature
  • Convection fan prevents cold spots
  • ThermoRange tech maintains steady heat
  • Stainless steel interior for easy cleanup


  • Temperature doesn’t go lower than 200°F

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4. Nesco 4816-14 6-Quart Porcelain Roaster Oven

The Nesco 4816-14 is a compact 6-quart electric roaster oven. With its smaller capacity, it’s best suited for cooking smaller prime rib roasts around 4-6 pounds, rather than full-size roasts. The porcelain-coated steel interior provides efficient, even heating and is easy to clean up.

The temperature dial allows settings from 200°F up to 450°F. While not as precise as digital models, you can roast at low temps required for prime rib. The lid contains heat and moisture, though it lacks a viewing window.

As a budget roaster oven, you sacrifice some features of larger models, but it can still cook moist, tender small prime rib roasts. Just be mindful of capacity.


  • Porcelain-coated interior for even heating
  • Temperature dial up to 450°F
  • Compact 6-quart capacity fits small roasts
  • Affordable pricing
  • Lid seals in moisture


  • Smaller capacity limits roast size
  • Lid prone to cracking with heavy use

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5. Sunvivi 24 Quart Electric Roaster with Removable Pan

Best Electric Roaster for Prime Rib

With an ultra-large 24-quart capacity, the Sunvivi Electric Roaster Oven can accommodate even the biggest prime rib roasts up to 30 pounds. This makes it an excellent choice for large families, special occasions, or entertaining groups. The integrated self-basting lid circulates moisture to keep roasts tender and juicy, eliminating manual basting.

The glass lid insert allows you to monitor the cooking progress. The removable steel pan lifts out for easy maneuvering of roasts and hassle-free cleanup. Wide cool-touch handles provide safe access even when hot. The adjustable temperature dial offers a range of 140-450°F for slow, precision roasting.

This extra-large Sunvivi roaster oven delivers impressive performance and value. The large capacity and self-basting lid are ideal for cooking mouthwatering prime rib.


  • Massive 24-quart capacity for 30 lb roast
  • Self-basting lid keeps roast moist
  • Glass lid insert for monitoring cooking
  • Removable pan for easy access and cleaning
  • Cool-touch handles stay safe when hot


  • Non-digital controls
  • The exterior can get very hot

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Features To Consider In the Best Electric Roaster for Prime Rib

Electric roasters designed for roasting significant cuts of meat like prime rib have some important features in common that allow them to turn out perfect results:

1. Size and Capacity

Prime rib roasts are substantial in size, so your roaster needs an ample interior to fit a whole roast with extra room to circulate hot air. Look for an electric roaster oven with at least 18-22 quarts of capacity. This will let you cook roasts of 8 pounds or more. Having wiggle room prevents the meat from overcrowding, leading to uneven cooking.

2. Adjustable Temperature Settings

Low and slow roasting is ideal for prime rib. You’ll want an electric roaster with a temperature range down to 200-250°F to maintain an ideal low-roasting environment. Setting your desired temperature precisely gives you control over the cooking process.

The heating element and roaster interior should heat evenly and consistently to the selected temp without significant fluctuations. Accurate, steady temperature regulation ensures the prime rib cooks through gently without burning or drying out.

3. Self-Basting Lid

A lid is essential because roasting uncovered will lead to dryness and inadequate cooking. The best lids have self-basting spikes that allow juices from the roasting meat to drip back down over the top, keeping it amazingly moist and adding wonderful flavor.

As the meat cooks, the juices evaporate, hit the lid spikes, and then condense. Look for a roaster where the lid spikes are angled inward over the roast to effectively self-baste throughout the roasting time.

4. Timer Function

Many electric roasters have convenient built-in timers you can program by entering the desired roasting time. The heating element will shut off automatically when the time is up, so you don’t have to worry about overcooking.

For prime rib, you’ll want a timer long enough to accommodate the extended cooking time, usually at least 3-4 hours. If your roaster has no timer, use a kitchen timer or timer app.

5. Easy-Clean Interior

Electric roasters with removable cooking wells or inserts made of nonstick materials simplify cleanup substantially. Nonstick interiors prevent drippings and juices from sticking to the sides, which is especially helpful when cooking fatty prime rib.

Being able to take out the roasting pan and removable parts makes scrubbing away any residue much easier. Pans and lids that are dishwasher safe are also a significant plus.

How to Cook Prime Rib in an Electric Roaster

Cooking prime rib in an electric roaster is simple and delivers delicious results whenever you follow these steps:

1. Prepare the Roast

  • Choose a prime-grade rib roast at least 2-3 lbs per person
  • Trim off excess fat and remove bones/slices to make carving easier
  • Season the roast heavily with salt, pepper, and herbs/spices as desired
  • Refrigerate uncovered for 24-48 hours to allow seasoning to penetrate

2. Remove the Roast from the Fridge

  • Take the roast out of the fridge and let sit at room temperature for 30-60 minutes before cooking
  • This helps it cook more evenly later on

3. Preheat the Roaster

  • Preheat your electric roaster with the rack inserted to 225-250°F
  • You want low, gradual heat to roast the prime rib slowly
  • Allow the roaster to fully preheat before adding roast

4. Add Roast and Cook

  • Place seasoned roast fat side up on the preheated rack
  • Cook approximately 15 minutes per pound for medium rare
  • For example, cook a 10 lb roast for around 2.5 hours

5. Monitor Temperature

  • Use an instant-read meat thermometer to monitor the internal temp
  • 120-125°F for rare, 130-135°F for medium rare, 140-145°F for medium

6. Rest and Carve

  • When the roast reaches 5-10°F below target temp, remove it from the roaster
  • Loosely tent foil over it and let rest for 30 minutes
  • The temperature will rise 5-10°F during resting time
  • After resting, carve into slices and serve immediately

Enjoy your perfectly cooked prime rib from your electric roaster!

Frequently Asked Questions about the best electric roaster for prime rib:

Q: What size electric roaster do I need for a prime rib roast?

A: For a bone-in prime rib roast, look for an electric roaster with at least a 20-quart capacity, but a 22-quart or larger is ideal. This provides enough room for roasts up to 15 pounds or more.

Q: Should I cook prime rib on high or low heat in an electric roaster?

A: Always use low heat, between 225-250°F, to slowly roast prime rib low and slow. High heat can lead to burnt outsides but undercooked centers.

Q: How long does it take to cook a 10 lb prime rib roast?

A: Figure around 15 minutes per pound, so a 10 lb prime rib roast will take approximately 2 1/2 to 3 hours at 225-250°F. Use a meat thermometer to confirm doneness.

Q: Do I need to preheat my electric roaster before putting in the prime rib?

A: Yes, always preheat your electric roaster empty first. Putting the cold roast in a cold roaster leads to uneven cooking.

Q: Can I use an electric roaster to cook a prime rib roast and side dishes?

A: We don’t recommend it. Electric roasters work best for the prime rib only to allow for ideal slow roasting. Use your regular oven for the side dishes.


An electric roaster is an excellent way to cook prime rib roasts to juicy, tender perfection. The contained, indirect heat gently roasts the meat while infusing it with flavorful aromas.

Based on performance, features, and value, we recommend the Oster XL Digital Roaster, Hamilton Beach 28 lb 22-Quart Roaster, and Nesco 4816-14 6-Quart Porcelain Roaster Oven as the best electric roaster for prime rib options.

Follow our tips on selecting the right roaster size, proper seasoning and cooking techniques, and optimal temperature and times. Monitor doneness carefully with a meat thermometer.

Resting the roast after cooking and slicing properly across the grain is vital for serving the perfect prime rib roast.

We hope this guide helps you achieve prime rib perfection using an electric roaster. Let us know if you have any other questions!


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