When it's too hot to go outside but you still want to have some summer fun with friends and family, this s'mores lasagna is the perfect thing to throw together and stick in the fridge. The longer you let the lasagna sit in the fridge, the softer the lasagna will get, so it's up to you how far in advance to assemble it.
For summer treats, check out this no-bake dessert! You need this lasagna!
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