How long does pesto keep after opening?

Most jars last about a week in the fridge. Covering the top with a thin layer of oil helps it keep its colour.

Yes, many cooks freeze leftover pesto in small portions, such as in an ice cube tray.

This idea is part of our dips & spreads guide, where you can compare every kind side by side.

Gift idea

Premium pesto sauce jar

This vibrant and aromatic sauce is a perfect gift for home cooks and Italian food aficionados, offering convenience without compromising on fresh flavor.

A premium pesto sauce jar holds a ready-made blend of basil, garlic, cheese, nuts and olive oil. It suits home cooks and busy couples who like quick weeknight meals, since one jar turns plain pasta, sandwiches or pizza into dinner.

Good for

Usually under $15Dips & spreads

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Why premium pesto sauce jar make a good gift

It saves time on busy nights while still tasting fresh and full of herbs.
Pairs naturally with dried pasta and bread for a simple, ready-to-cook gift bundle.
Useful across many dishes, from pasta and pizza to sandwiches and roasted vegetables.

What to look for

Check whether it is shelf-stable or needs refrigeration before wrapping or shipping it.
Read the ingredient list for olive oil versus other oils and the type of cheese.
Note whether it contains pine nuts, cashews or no nuts at all.

Kinds worth searching

Each button opens a narrow Amazon search in your store. Compare a few listings before you choose.

Classic basil pesto
Sun-dried tomato pesto
Vegan pesto

Questions people ask

How long does pesto keep after opening?: Most jars last about a week in the fridge. Covering the top with a thin layer of oil helps it keep its colour.
Can pesto be frozen?: Yes, many cooks freeze leftover pesto in small portions, such as in an ice cube tray.

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