The after-work rush leaves little room for culinary finesse, yet there’s a dish that effortlessly meets the needs of time and taste: Costco stuffed peppers.

Imagine the savory aroma of ground beef, perfectly seasoned and harmoniously mixed with cooked rice and tomato sauce.

These stuffed bell peppers from Costco offer a convenient yet gourmet experience, capturing a balance of textures and flavors that are both satisfying and nutritious.

With over 15 years of passionate cooking, I’ve refined the method to make these pre-cooked meals not just good, but exceptional.

In this article, you’ll learn the foolproof steps to elevate these convenient wonders into a heartwarming dinner. From oven cooking methods that lock in moisture to the perfect oven temperature adjustments, we’ll cover everything you need.

Expect tips on prepping your baking sheet, adjusting to your family’s preferences, and ensuring the stuffed peppers are perfectly reheated. By the end, you’ll master a quick, nutritious meal that leaves a lasting impression.

How To Cook Costco Stuffed Peppers: The Quick Version

To cook Costco stuffed peppers, you can follow these steps:

Oven Method

  1. Preheat the oven: Set the oven to 400°F (200°C).
  2. Remove plastic lid: Take off the plastic lid from the tray of stuffed pepper.
  3. Cover with foil: Cover the peppers with aluminum foil to prevent burning and ensure even cooking.
  4. Bake: Place the tray in the oven and bake for 50-55 minutes or until the internal temperature reaches 165°F (74°C).
  5. Check temperature: Use a meat thermometer to ensure the peppers have reached the safe internal temperature.
  6. Serve: Remove the peppers from the oven, let them cool for a few minutes, and then serve.

Microwave Method

  1. Remove plastic lid: Take off the plastic lid from the tray of stuffed peppers.
  2. Transfer to microwave-safe dish: Place the peppers in an oven-safe dish (not the foil tray).
  3. Heat: Microwave on high for 5-6 minutes or until the internal temperature reaches 165°F (74°C).
  4. Check temperature: Use a meat thermometer to ensure the peppers have reached the safe internal temperature.
  5. Serve: Remove the peppers from the microwave and let them cool for a minute before serving.

Air Fryer Method

  1. Preheat air fryer: Set the air fryer to 375°F (190°C) for 5 minutes.
  2. Place peppers: Place the peppers in a single layer in a small metal baking tray that fits your air fryer.
  3. Cover with foil: Cover the tray with foil to prevent sticking.
  4. Air fry: Place the tray in the air fryer and cook for 45 minutes, checking every 15 minutes until the internal temperature reaches 165°F (74°C).
  5. Check temperature: Use a thermometer to ensure the peppers have reached the safe internal temperature.
  6. Serve: Remove the peppers from the air fryer and let them cool for a minute before serving.

Ingredients and Nutritional Information

Detailed Ingredient List

Main ingredients:

  • Stuffed Bell Peppers from Costco
  • Ground beef
  • Cooked rice
  • Tomato sauce
  • Shredded cheese

Optional additions and variations:

  • Extra veggies (zucchini, spinach)
  • Different cheese variations (mozzarella, feta)
  • Additional seasonings and spices (garlic powder, paprika)

Nutritional Breakdown

Calories and macronutrients:

  • Each stuffed pepper is packed with calories mainly from ground beef and cheese.
  • Good balance of proteins and carbohydrates from beef and rice.

Vitamins and minerals:

  • Rich in Vitamin C and Vitamin A from bell peppers.
  • Iron and Zinc from ground beef.

Dietary considerations:

  • Potential for gluten-free if using appropriate rice and sauce.
  • Low-carb variations possible by reducing or omitting the rice.

Preparation Steps

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Pre-Cooking Preparations

Thawing frozen stuffed peppers (if applicable):

  • Thaw in the fridge overnight for even cooking.

Gathering necessary kitchen tools:

  • Baking sheet
  • Aluminum foil
  • Food thermometer
  • Microwave-safe dish (if needed)

Oven Cooking Method

Preheating the oven:

  • Preheat to 375°F for optimal results.

Placing peppers in a baking dish:

  • Arrange stuffed bell peppers in a single layer.

Covering with foil:

  • Cover the dish with aluminum foil to retain moisture.

Cooking time and temperature:

  • Bake for 50 to 60 minutes until heated through.

Checking for doneness:

  • Use a food thermometer to ensure the center is fully heated.

Microwave Cooking Method

Microwave-safe dishes:

  • Use a microwave-safe dish to prevent any accidents.

Adjusting cooking times based on microwave wattage:

  • Heat on high for 10 to 15 minutes, rotating halfway.

Ensuring even heating:

  • Ensure the stuffed peppers are evenly spaced for uniform heating.

Stovetop Cooking Method

Using a skillet or frying pan:

  • Heat a skillet over medium heat.

Adding broth or water for steam:

  • Add a splash of broth or water to avoid drying.

Cooking time and temperature:

  • Cook for about 20 minutes, covering with a lid to steam.

Enhancements and Customizations

Adding Extra Ingredients

Additional vegetables:

  • Add extra fillings like zucchini or spinach for variety.

Proteins like chicken or beef:

  • Swap ground beef with shredded chicken or extra beef.

Cheese variations:

  • Experiment with mozzarellafeta, or even vegan cheese.

Seasoning and Spices

Enhancing flavor with herbs and spices:

  • Mix in fresh basiloregano, or cilantro to elevate taste.

Suggestions for different culinary themes:

  • Italian: Use garlic, basil, and oregano.
  • Mexican: Try adding cumin and cilantro.

Side Dishes and Pairings

Recommended sides:

  • Serve with saladsrice, or pasta to complement the meal.

Complementary sauces and dips:

  • Pair with tomato saucesour cream, or even a yogurt dip.

Cooking Tips and Tricks

Ensuring Even Cooking

Arranging peppers properly:

  • Place the stuffed peppers evenly spaced on the baking sheet.

Rotating dish midway:

  • Rotate halfway through cooking to ensure even heat distribution.

Avoiding Common Mistakes

Overcooking or undercooking:

  • Check with a food thermometer to avoid extremes.

Preventing sogginess:

  • Don’t overdo the water or broth in the skillet method.

Maintaining pepper structure:

  • Handle the stuffed bell peppers gently to prevent tearing.

Reheating Leftovers

Best practices for microwaving:

  • Reheat evenly, using a microwave cover.

Oven reheating method:

  • Reheat at 350°F for about 15-20 minutes.

Storing and freezing leftovers:

  • Store in airtight containers or wrap in aluminum foil.

Healthier Alternatives

Low-Calorie and Low-Fat Options

Using lean meats:

Reducing cheese and using low-fat alternatives:

  • Use less shredded cheese or opt for low-fat options.

Vegetarian and Vegan Modifications

Plant-based proteins:

  • Swap ground beef with lentils or tofu.

Dairy-free cheese options:

  • Use dairy-free cheese alternatives.

Gluten-Free Adaptations

Ensuring all ingredients are gluten-free:

  • Check labels of tomato sauce and rice.

Substituting grains and fillers:

  • Use quinoa or cauliflower rice instead of traditional rice.

Cultural and Regional Variations

International Stuffed Pepper Recipes

Mediterranean-style stuffed peppers:

  • Use olive oilfeta, and oregano.

Asian-inspired variations:

  • Incorporate soy sauceginger, and scallions.

Latin American influences:

  • Add black beanscorn, and cilantro.

Traditional vs. Modern Takes

Classic recipes:

  • Stick to traditional ground beef and rice combinations.

Contemporary twists and fusion dishes:

  • Experiment with quinoadifferent cheeses, and international spices.

FAQ On How To Cook Costco Stuffed Peppers

How long do I bake Costco stuffed peppers?

To bake Costco stuffed peppers, preheat your oven to 375°F. Place the stuffed bell peppers on a baking sheet, cover them with aluminum foil, and bake for 50 to 60 minutes.

Check if the ground beef and cooked rice stuffing is heated through with a food thermometer.

Can you microwave Costco stuffed peppers?

Yes, you can microwave them. Place the stuffed peppers in a microwave-safe dish and cover loosely with a microwave-safe lid or plastic wrap.

Heat on high for 10 to 15 minutes, rotating halfway through. Ensure the ground beef is fully heated. Useful for a quick dinner solution!

Do I need to thaw Costco stuffed peppers before cooking?

Thawing isn’t necessary but recommended for even cooking. To get the best results, leave the stuffed bell peppers in the fridge overnight.

It will decrease the actual cooking time in the oven and ensure a well-balanced texture from the ground beef to the cheesy stuffed peppers topping.

Can I add extra cheese to Costco stuffed peppers?

Absolutely. Sprinkle a generous handful of shredded cheese on top of the stuffed bell peppers five minutes before they finish baking.

This not only enhances the flavor but also gives the peppers a deliciously melted, golden-brown finish. A simple tweak for an elevated meal.

What sides go well with Costco stuffed peppers?

Pair your Costco stuffed peppers with a light saladgarlic bread, or some steamed vegetables.

These sides can enhance the overall meal, balancing the hearty stuffed bell peppers filled with ground beef and cooked rice. This makes for a nutritious and well-rounded dinner.

How do I store leftover Costco stuffed peppers?

For leftovers, store the stuffed bell peppers in an airtight container in the fridge. They’ll stay fresh for up to 3 days. For extended storage, freeze them.

Remember to wrap them tightly in aluminum foil before placing them in a freezer bag. Reheat as needed using the oven or microwave.

How do I avoid dry Costco stuffed peppers?

To prevent dryness, cover the stuffed bell peppers with aluminum foil while baking, removing it in the last 10 minutes to allow the shredded cheese to melt.

Ensure adequate levels of tomato sauce in the stuffing and periodically check the internal temperature with a food thermometer.

Are Costco stuffed peppers healthy?

Yes, they can be! These stuffed bell peppers are packed with ground beefcooked rice, and sometimes veggies, providing a balanced meal high in protein and fiber.

Check the nutrition facts on the package for a detailed breakdown of calories, fats, and other nutritional content.

What oven temperature is best for cooking Costco stuffed peppers?

The ideal oven temperature for these stuffed bell peppers is 375°F. This setting ensures the ground beef and cheesy stuffed peppers mixture cooks evenly throughout, delivering a consistently delicious meal.

Always preheat the oven accordingly to start the baking process correctly.

Can I customize the filling of Costco stuffed peppers?

Certainly! Feel free to enhance the stuffed bell peppers with extra spices, more shredded cheese, or even some additional vegetable stuffing.

Just prepare the enhanced filling beforehand, and follow the original cooking instructions to complete your unique baked stuffed peppers recipe.


Mastering how to cook Costco stuffed peppers offers a gateway to quick, delicious meals with minimal effort. Whether you opt for oven cooking or a speedy microwave solution, these stuffed bell peppers with ground beef and cooked rice deliver a savory, balanced experience every time.

Consistency is key: Preheat the oven to 375°F, ensure the stuffed peppers are covered with aluminum foil to lock in moisture, and aim for an internal temperature that guarantees the filling is thoroughly heated.

Remember, customization enhances the dining experience. Adding extra shredded cheese, adjusting seasonings, or even incorporating more tomato sauce can make these Costco stuffed peppers uniquely yours.

Store leftovers properly using airtight containers or aluminum foil, and don’t be afraid to reheat them for another round of a hearty, satisfying meal. Balancing convenience and flavor, these pre-cooked meals fit perfectly into busy yet gourmet living.

Here, you now possess the know-how to turn a ready-made dish into a staple for delightful, effortless dinners.

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