My first impression of Costco's frozen lasagna was definitely not quite as appealing as it was with the Trader Joe's one. After cooking this lasagna and cutting out a slice, I noticed that the ...

(You can also cook it in the microwave and have the piping-hot casserole ready in half the time.) Costco sells two 3-pound trays of this lasagna for $16.99; that’s just $8.50 per lasagna.