Pro Tips for Casserole Success
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Cooked Pasta is Key: Undercooking the pasta slightly (al dente) prevents it from turning mushy as it continues to cook in the sauce while baking.
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Cheese Quality: Use block cheese that you shred yourself, as pre-shredded cheese contains anti-caking agents that can prevent a smooth melt.
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Freezing Option: You can assemble the casserole (up to Step 3, without the final mozzarella topping), cover it tightly, and freeze for up to 3 months. Thaw overnight in the fridge before baking.