I Have Too Many Beans at Once — How Do I Preserve Them?

A sudden glut of runner or French beans — more than you can eat fresh in two to three days — is one of the most common mid-summer garden problems. Beans deteriorate quickly after picking (the sugars start converting to starch within hours at room temperature), so acting promptly on a glut is essential. The good news is that beans freeze exceptionally well, making them one of the easiest vegetables to preserve without specialist equipment.

Freezing — the best method

Top-and-tail the beans and cut or leave whole as preferred. Bring a large pot of unsalted water to a rolling boil. Blanch beans in batches — not too many at once, or the water temperature drops and blanching becomes cooking. French beans: ninety seconds to two minutes. Runner beans (sliced): two to three minutes. Immediately plunge into a bowl of iced water to stop cooking. Drain very thoroughly — excess water creates ice crystals that damage texture. Spread on a tray lined with a tea towel, pat dry, then freeze flat on the tray for one to two hours before bagging. This open-freezing prevents the beans clumping into a solid block. Bagged and sealed, frozen beans keep for twelve months in excellent condition.

Eating fresh — keeping beans briefly

Unwashed beans in a sealed bag in the fridge keep well for four to five days. The cool temperature dramatically slows the starch conversion. For the best flavour, do not wash until just before cooking — moisture accelerates deterioration. A glut that is manageable in a week does not need freezing.

Preventing gluts — succession sowing

The fundamental fix for bean gluts is succession sowing: two or three small sowings made two to three weeks apart rather than one large sowing at once. This staggers the harvest over six to eight weeks, gives manageable quantities each day, and means the garden never has more beans than can be used. French beans are particularly well-suited to succession sowing because they are compact and produce a defined crop before fading — sow a new batch as the previous one comes into full production.