how long to cook tri tip in oven at 350

To achieve the perfect tri-tip roast in the oven at 350°F, accurately determining the cooking time is crucial. For a tender and flavorful result, follow this general guideline. You will know how long to cook tri tip in oven at 350. Usually, Cook the tri-tip for 25-30 minutes per pound, depending on size. This range ensures that the roast reaches a medium-rare to medium level of doneness, ideal for preserving its juiciness and flavor. A meat thermometer is essential to gauge the roast’s internal temperature precisely. As you embark on this culinary adventure, where the preparation of oven-roasted tri-tip promises a delightful dining experience, remember that monitoring the cooking time and internal temperature allows you to attain tri-tip perfection that will truly delight your loved ones. In this comprehensive guide, you will discover almost how long it takes to cook tri-tip in the oven at 350.


Why Tri-Tip?

Before we dive into the nitty-gritty of cooking times, let’s understand why tri-tip is such a popular choice for oven roasting. Tri-tip, sourced from the lower sirloin of the cow, is a triangularly shaped muscle slice. It’s well-marbled, flavorful, and versatile, making it ideal for various cooking methods. Cooking the meat at 350°F in the oven ensures even roasting, preserving its tenderness and juiciness.


Why Tri-Tip

What You’ll Need Before Cook Tri-Tip Roasts

Before you start cooking, gather your ingredients and tools.

– Tri-tip roast (sized according to your needs)
– Olive oil
– Salt and freshly ground black pepper
– Your choice of seasonings (garlic powder, onion powder, herbs, etc.)
– Meat thermometer
– Baking pan or roasting rack
– Aluminum foil


Calculating Tri-Tip Cooking Time

Now, the pivotal question: How do you calculate the cooking time for your tri-tip in the oven at 350°F? The response relies on variables like roast size, preferred doneness, and use of a roasting rack. As a general guideline, you can estimate the cooking time based on the thickness of the meat:

– For a tri-tip roast around 1 inch thick, cook for about 20-25 minutes for medium-rare, 25-30 minutes for medium, and 30-35 minutes for medium-well.
– For a thicker tri-tip roast (around 2 inches wide), adjust the cooking time to 30-35 minutes for medium-rare, 35-40 minutes for medium, and 40-45 minutes for medium-well.


how long to cook tri tip in oven at 350


Remember that these are approximate cooking times. Ensure the ideal doneness by investing in a dependable meat thermometer. Insert it into the thickest part of the roast without touching the bone, and aim for the following internal temperatures:

– 135°F (57°C) for medium-rare
– 145°F (63°C) for medium
– 155°F (68°C) for medium-well


Factors Affecting Tri-Tip Roast Cooking Time

Several factors can influence the cooking time of your tri-tip roast:

1. Roasting Rack: A roasting rack raises the meat, facilitating uniform hot air circulation for consistent and thorough cooking.

2. Starting Temperature: If your tri-tip roast is straight out of the refrigerator, cooking might take longer. Allow it to rest at room temperature for approximately half an hour before roasting.

3. Oven Accuracy: Ovens can vary in temperature accuracy. Using an oven thermometer to verify the accurate oven temperature is a recommended practice.

4. Tri-Tip Size: Larger tri-tip roasts will naturally require more time to cook through than smaller ones.

5. Desired Doneness: Adjust the cooking time based on how you like your meat cooked. Remember that the internal temperature will rise a few degrees after you take the roast out of the oven.



Tri-Tip Roasts Cooking Steps

Now that we’ve covered the essential cooking times and factors, here’s a step-by-step guide to cook tri-tip in the oven at 350:

1. Preparing the Roast:
-Take the tri-tip roast from the fridge and let it come to room temperature for approximately half an hour.
– Please configure the oven to 350°F (175°C).

2. Seasoning:
– Coat the roast with olive oil to enhance the adhesion of the seasonings.
– Season the meat generously with salt, freshly ground black pepper, and any additional seasonings you prefer.

3. Roasting:
– If using a roasting rack, place the tri-tip on the rack in a baking pan.
– Place the meat thermometer into the roast’s thickest section.

4. Cooking:
– Put the roasting pan in the oven after it has been preheated.
– Follow the suggested cooking times or continue until the meat thermometer shows your preferred internal temperature.

5. Resting:
– Remove it from the oven once the roast reaches the desired doneness.
– Drape the roast gently with aluminum foil and let it rest for 10 to 15 minutes. This step aids in redistributing juices, guaranteeing a succulent and full-of-flavor outcome.

6. Slicing and Serving:
– Once rested, cut the tri-tip into thin slices perpendicular to the grain.
– Serve the succulent slices with your favorite side dishes, and enjoy!


tri tip roast slicing

FAQs for Cooking Tri-Tip Roast in the Oven

1. What’s the cooking time for a 1-inch thick tri-tip roast at 350°F?

Approximately 20-25 min for medium-rare, 25-30 min for medium, and 30-35 min for medium-well.

2. How can I keep the roast juicy and flavorful?

Use a meat thermometer for internal temperatures: 135°F (medium-rare), 145°F (medium), and 155°F (medium-well). Let it rest for 10-15 min after cooking.

3. Can I use different seasonings?

Yes, coat with olive oil and your chosen seasonings before cooking.

4. What factors affect cooking time?

Roast thickness, starting temperature, oven accuracy, and using a roasting rack can impact the cooking time.

5. When should I slice the roast?

You can slice after cooking for 15 min for outstanding taste.



Baking a tri-tip in the oven at 350°F is an enjoyable endeavor resulting in a wonderfully tender and flavorsome roast. By understanding the factors influencing cooking times, mastering the steps, and utilizing a meat thermometer, you can confidently prepare a tri-tip roast that impresses your family and guests. Remember, the joy of cooking lies in the final dish and the journey of creating it. So, don your apron, preheat that oven, and embark on your culinary adventure with a tri-tip as your guide. Your taste buds will thank you.


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