How Long Can You Refrigerate Marinara Sauce. However, after 5 days the sauce will need to be checked carefully for mold and discarded if starting to turn. For prego alfredo and cooking sauces, we recommend that you promptly refrigerate unused sauce and use within 3 days after opening.

How long is marinara sauce good for in the fridge? The genuine answer depends on a large extent on storage conditions refrigerate sauce around 2 hours to change the state. How long can you refrigerate spaghetti sauce with meat?