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How Long Do You Cook a 4-5 lb Roast Beef?

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This is an easy, fail-proof way to make a classic roast beef in the oven. Its simple to make with only 4 ingredients but always looks and tastes impressive!.

Heres what youll need to make this recipe. The full recipe card and ingredient list can be found at the bottom of the page.

Roast beef is a classic centerpiece for holidays and special gatherings. When done right it emerges from the oven deeply flavored fork-tender and perfect for slicing. However, cooking roast beef can seem daunting, especially when dealing with a large 4-5 lb cut.

In this article, I’ll provide tips on how long to cook a 4-5 lb roast beef in the oven for optimal results You’ll learn about cook times per pound, target internal temperatures, seasoning recommendations, resting, carving and more

Overview of 4-5 lb Roast Beef

A roast that weighs between 4 and 5 pounds can feed 8 to 10 people, making it perfect for big family meals. Popular cuts of beef in this size include:

  • Top round roast
  • Eye of round
  • Bottom round
  • Rump roast
  • Sirloin tip roast

Choose a roast with good marbling throughout for maximum moisture and flavor. Try to pick one with consistent shape and thickness.

Seasoning the Roast Beef

Proper seasoning is key for flavorful roast beef Here are some tips

  • Generously coat the entire roast with kosher salt and black pepper. The large grains hold better.

  • You can also use spices like garlic powder, thyme, rosemary, oregano. Make a paste with olive oil to help them adhere.

  • For a crust, coat with a spice rub before searing. Try mixes with paprika, cumin, chili powder.

  • Insert slivers of garlic into slits cut into the meat for extra flavor.

  • Tie roast with twine to maintain shape if needed.

Calculating Cook Time

The basic timing guideline is 15-20 minutes per pound for a 4-5 lb roast beef. But also rely on a meat thermometer for accuracy.

For a 4 lb roast at 325°F, the estimated cook time is:

  • Rare: 60-80 minutes
  • Medium rare: 80-100 minutes
  • Medium: 100-120 minutes

For a 5 lb roast, estimate:

  • Rare: 75-100 minutes
  • Medium rare: 100-125 minutes
  • Medium: 125-150 minutes

The shape, thickness, and doneness level all affect total cooking time. Tall, thick roasts take longer than short, wide ones. Well done beef cooks longer than rare.

Step-by-Step Cooking Method

Follow these steps for roasting a 4-5 lb beef roast:

  1. Remove roast from fridge and let sit at room temperature for 1 hour before cooking.

  2. Preheat oven to 325°F.

  3. Pat roast dry and generously season all over with salt, pepper, and any other spices.

  4. In an oven-safe pan, sear roast on all sides over high heat to develop a nice crust.

  5. Place roast on a rack in a roasting pan or directly on oven rack. Roast at 325°F, basting occasionally with pan juices.

  6. Use a meat thermometer to check temperature after the estimated cook time. Continue roasting until it reaches your target temp.

  7. Remove roast at 135°F for medium rare, 145°F for medium. Temperature will rise 5-10°F during resting.

  8. Let roast rest 15-20 minutes tented with foil before slicing.

Doneness Tips

Always rely on an instant-read thermometer for the most accurate doneness readout. Target temperatures are:

  • Rare: 120-125°F
  • Medium rare: 130-135°F
  • Medium: 140-145°F
  • Medium well: 150-155°F
  • Well done: 160°F+

If you don’t have a thermometer, you can test doneness by pressing on the thickest part of the roast. Rare beef is quite soft, medium is firmer but springs back. Well done is hard.

Slicing and Serving the Roast Beef

Once rested, use a sharp knife to slice the roast across the grain. This produces the most tender slices.

Arrange slices on a platter and spoon over pan juices for added moisture and flavor. Serve roast beef with classic sides like mashed potatoes, Yorkshire puddings, or roasted vegetables.

Tips for Roasting Beef

Follow these tips for the most flavorful, fork-tender roast beef:

  • Bring roast to room temp before cooking
  • Generously season outside with salt, pepper and spices
  • Sear before roasting to develop flavorful crust
  • Use a meat thermometer for best accuracy
  • Let roast rest at least 15 minutes before slicing
  • Slice across the grain for tenderest texture

By mastering the simple art of roasting beef, you can deliver impressive, delicious roasts for any gathering or holiday meal!

how long do you cook a 4 5 lb roast beef

Step 1: Bring roast to room temperature

Let the roast sit uncovered at room temperature for 1 to 1 ½ hours.

Step 6: Roast at high heat

Roast for 15 minutes at 450°F. Do not cover while roasting.

Classic Roast Beef

FAQ

How many hours does it take to cook a 5 lb roast?

For a 4 to 5-pound roast, plan on 4 hours. The roast is ready when it’s fall-apart tender.

Is it better to cook a roast at 325 or 350?

When roasting meat and poultry, set the oven temperature to 325°F (163°C) or higher. Explore the charts below to learn how to get great results every time you cook.

How long do you cook a 4 lb roast at 325 degrees?

Reduce the heat to 325°F. If your roast is 4 pounds, roast it for 1 hours 45 minutes more for medium, or 2 hours for medium well done. What is this? If your roast is more or less than 4 pounds, roast it for approximately 25 to 30 minutes per pound for a medium roast.

How do I cook a beef roast without drying it out?

When cooking a roast in the oven, keep it uncovered until roasted to the desired doneness. After removing from the oven, tent with foil and let stand 15 minutes before carving. This allows the juices to redistribute, preventing them from draining out during carving—and preventing dry, disappointing meat.

How long do you cook a 4-pound roast beef?

Roast for 15 minutes at 450°F. Do not cover while roasting. If your roast is 4 pounds, roast it for 1 hour 45 minutes more for medium, or 2 hours for medium well done.

How do you cook a 3 pound Chuck Roast in the oven?

To cook a 3-pound chuck roast in the oven, first preheat it to 325 degrees. Season the roast with salt and pepper. Heat a couple tablespoons of canola oil in a large, oven-safe pot over medium-high heat. Sear the roast on both sides until nicely browned, about 3-4 minutes per side. Transfer the seared beef to a plate and set aside.

How long do you cook a chuck roast?

However, because it has less marbling, it can be tougher than other cuts. To cook an eye of round roast beef to perfection, you’ll need to cook it low and slow at a temperature of 375°F for 20 minutes per pound. Another popular cut for roast beef is the chuck roast.

How long do you cook a roast in the oven?

Place the roast in the oven and bake for about 15 minutes, then reduce the heat to 375 F (190 C). Roast for about 13-15 minutes per pound for rare, 17-19 minutes for medium, and 22-25 for cooked through. Check the meat with a thermometer to make sure it is the temperature you want it–145°F for medium rare, 160°F for medium.

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