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Costco Lasagna Instructions

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  • Author: Emily Roselyn
  • Prep Time: 5 minutes
  • Cook Time: 55 minutes
  • Total Time: 1hr
  • Yield: 4 1x



Kirkland Frozen Lasagna from Costco is one of the top frozen lasagna brands. It’s delectable, simple to prepare, and large enough to serve as a family supper. Costco lasagna can be cooked in the oven, microwave, or air fryer in less than 1 hour and will be hot and ready to eat.



1 pack Frozen Costco Lasagna


  • Preheat the oven to 375 degrees Fahrenheit for around 5 minutes.
  • Twin pack that is sold separately. In the film cover, cut a 2′′ slit.
  • Place the tray on the middle oven rack on a cookie sheet.
  • Cook for an hour and a half to an hour and a half.
  • Remove the plastic wrap and simmer for another 10 to 15 minutes to brown the cheese.
  • Check the internal temperature, which should be at least 160 degrees Fahrenheit.
  • Remove from oven and set aside to cool for 5 minutes.



  • Category: Dinner, Snacks
  • Method: Baking, Air Fryer
  • Cuisine: American


  • Serving Size: 4
  • Calories: 340 kcal
  • Sugar: 8g
  • Sodium: 610mg
  • Fat: 17g
  • Saturated Fat: 8g
  • Unsaturated Fat: 0g
  • Trans Fat: 0g
  • Carbohydrates: 29g
  • Fiber: 4g
  • Protein: 19g
  • Cholesterol: 60mg

Keywords: Costco Lasagna Instructions, Costco Lasagna