how long to cook costco meatloaf and potatoes

Costco Meatloaf & Potatoes: Cooking Time & Tips

By Hannah Wilson
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When you're craving a hearty, comforting meal, Costco's meatloaf and potatoes are a fantastic choice. But with such a substantial dish, you might be wondering, "How long to cook Costco meatloaf and potatoes?" Let's dive into the cooking times, methods, and tips to ensure you get the perfect, tender meatloaf and fluffy potatoes every time.

Before we start, it's essential to understand that cooking times can vary depending on your oven, the size of your meatloaf, and whether you're cooking the potatoes separately or together with the meatloaf. So, let's explore different cooking methods and their respective timelines.

Cooking Costco Meatloaf

The cooking time for Costco's meatloaf is crucial to get right, as both undercooking and overcooking can negatively impact the taste and texture. The package usually recommends a cooking time of 45-55 minutes at 375°F (190°C). However, this can vary, so let's discuss some factors that might affect the cooking time.

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Costco Meatloaf Instructions
Costco Meatloaf Instructions
a meatloaf and potatoes in a tin foil container on a countertop next to an oven
a meatloaf and potatoes in a tin foil container on a countertop next to an oven
Costco Meatloaf and Mashed Potatoes REVIEW
Costco Meatloaf and Mashed Potatoes REVIEW

Firstly, the size of your meatloaf can significantly impact the cooking time. A larger, thicker meatloaf will take longer to cook than a smaller, thinner one. To ensure even cooking, it's best to aim for a meatloaf that's around 2 inches tall and 4-5 inches wide.

Cooking at 375°F (190°C)

As mentioned earlier, the recommended cooking time at 375°F (190°C) is 45-55 minutes. To ensure your meatloaf is cooked through, use a meat thermometer to check the internal temperature. It should read 160°F (71°C) when inserted into the thickest part of the meatloaf.

the costco meatloaf recipe is shown in white text on a gray background
the costco meatloaf recipe is shown in white text on a gray background
Costco Meatloaf Meal - Cooking Instructions + Calories
Costco Meatloaf Meal - Cooking Instructions + Calories
Costco Meatloaf Instructions
Costco Meatloaf Instructions

If you prefer a slightly crispier crust, you can increase the cooking time by 5-10 minutes or turn on the broiler for the last 2-3 minutes of cooking. Just be sure not to overcook the meatloaf, as it can become dry and tough.

Cooking at Other Temperatures

If you prefer to cook your meatloaf at a different temperature, you can do so, but you'll need to adjust the cooking time accordingly. Here are some guidelines:

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  • At 350°F (175°C), increase the cooking time by 10-15 minutes.
  • At 400°F (200°C), decrease the cooking time by 5-10 minutes.

Again, always use a meat thermometer to ensure your meatloaf is cooked to a safe internal temperature.

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How Long to Cook Meatloaf at 400 F
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Costco Kirkland Signature Beef Meatloaf with Cheddar Mashed Potatoes Review - Costcuisine
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Baked meatloaf! with potatoes and carrots.
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Meatloaf with Mashed Potatoes and Cheese Recipe
how long to cook meatloaf is the best way to make it easy and delicious
how long to cook meatloaf is the best way to make it easy and delicious

Cooking Costco Potatoes

Costco offers a variety of potato options, such as baked potatoes, mashed potatoes, and roasted potatoes. The cooking time will vary depending on the type of potato and your preferred cooking method. Here, we'll focus on baking and roasting, as these are the most common methods for serving potatoes with meatloaf.

Before cooking, make sure to preheat your oven to the desired temperature. For baked potatoes, the oven should be set to 425°F (220°C), and for roasted potatoes, it should be set to 400°F (200°C).

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Baking Potatoes

Baking potatoes takes longer than roasting, as the goal is to cook the potato through and through, creating a soft, fluffy interior. The cooking time for a medium-sized potato is typically 45-60 minutes. To ensure even cooking, prick the potatoes with a fork a few times before baking and rub them with a little oil to prevent them from drying out.

One Pot Meatloaf and Roasted Potatoes
One Pot Meatloaf and Roasted Potatoes
the meatloaf and roasted potato dinner cooks entirely on one sheet pan
the meatloaf and roasted potato dinner cooks entirely on one sheet pan
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Copycat Costo Meatloaf & Mashed Potatoes
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Making a Large Batch of Meatloaf?
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Easy Sheet Pan Meatloaf and Crispy Roasted Potatoes Recipe
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a meatloaf in a casserole dish with potatoes on the side
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slow cooker meatloaf and baked potatoes with text overlay that says slow cooker meatloaf and baked potatoes
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Homemade Meatloaf Recipe - Easy-to-make
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Sweet Glazed Meatloaf with Roasted Potatoes - Spe liga
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Best Ever Classic Meatloaf
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steak with tomatoes and potatoes in a cast iron skillet

To check if your potatoes are done, gently squeeze them or use a fork to pierce the skin. If the potato gives way easily, it's ready to be taken out of the oven. You can also use an instant-read thermometer to check the internal temperature, which should be around 210°F (99°C).

Roasting Potatoes

Roasting potatoes is a faster method, as you're primarily cooking the exterior while still allowing the inside to cook through. The cooking time for roasted potatoes is usually 20-30 minutes, depending on the size of the potato pieces and your oven temperature.

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To roast potatoes, cut them into evenly-sized pieces, toss them in oil, salt, and your preferred seasonings, and spread them out on a baking sheet. Make sure the potatoes are in a single layer and not overcrowded, as this can lead to uneven cooking and soggy potatoes.

For the best results, flip the potatoes halfway through the cooking time to ensure both sides are crispy and golden brown.

Cooking Potatoes with Meatloaf

If you prefer to cook your potatoes alongside your meatloaf, you can do so by placing the potatoes on a separate baking sheet or directly on the oven rack below the meatloaf. This method works best with roasted potatoes, as they can cook in the same oven without overcooking.

To ensure your potatoes are cooked through, you may need to adjust the cooking time or cover the baking sheet with foil to steam the potatoes slightly. Keep an eye on the potatoes, and once they're tender and golden brown, they're ready to be served alongside your perfectly cooked meatloaf.

Now that you know how long to cook Costco meatloaf and potatoes, you're ready to create a delicious, comforting meal for you and your loved ones. Don't forget to experiment with different seasonings, sauces, and sides to make the dish your own. Happy cooking!

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