Best way to thaw is in fridge overnight for at least 8-10 hours. Thawing tuna noodle casserole helps it cook more evenly and for the proper amount of time.
CAN YOU COOK FROZEN TUNA NOODLE CASSEROLE
Yes, you can cook frozen tuna casserole, but it will take longer to cook than if it is thawed.
It’s best to thaw the casserole in the refrigerator overnight before cooking it. This ensures that it cooks evenly and thoroughly.
To help prevent temperature shock of the dish (you dont’ want it to crack!) , you can transfer the casserole to a different casserole dish at room temperature.
To cook straight from frozen: Preheat oven to 350°F. Cover dish with aluminum foil and bake for 1 hour and 30 minutes, or until heated through and the cheese is melted the sauce is bubbly. Remove the foil during the last 10 minutes of baking time to allow the chip topping to become crispy.
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