How do you store fresh tomatoes so they taste good and last longer?

Tomatoes grown at home taste dramatically better than shop-bought ones, but they also have a much shorter shelf life once fully ripe. Understanding how to store them correctly — and what destroys their flavour — lets you enjoy them at their best and avoid waste during a heavy crop.

The most important rule for tomato storage sounds counterintuitive: never put ripe tomatoes in the fridge. Temperatures below 13°C halt the enzymatic processes that produce the volatile compounds responsible for tomato flavour. Cold storage converts sugars to starch, turns the flesh mealy, and creates an irreversible loss of aroma that no amount of warming will restore. A tomato stored in the fridge for even two days will taste noticeably worse than one stored on the counter at room temperature.

Short-term fresh storage at room temperature

Store ripe tomatoes on the kitchen counter away from direct sunlight, stem-side down. Storing stem-side down prevents air from entering through the scar at the top, slowing deterioration slightly. At temperatures of 18–22°C, a fully ripe tomato will keep well for two to five days, depending on variety and how ripe it was when picked. Large beefsteak tomatoes keep slightly longer than small cherry tomatoes. Avoid stacking tomatoes in a bowl — the weight of tomatoes on top bruises those at the bottom and accelerates softening.

Ripening tomatoes that are not quite ready

Tomatoes picked slightly underripe will ripen at room temperature — they continue to ripen off the vine as long as they have reached the "mature green" stage. True mature green tomatoes have a slightly lighter, yellow-green flush at the blossom end and a slight give when pressed. Truly immature tomatoes — solid hard green all over — will never develop full flavour even if they do eventually redden. Store underripe tomatoes at room temperature in a single layer, not in the fridge, and check daily. Placing an apple or a ripe banana nearby provides ethylene gas that speeds ripening slightly.

Ripening green tomatoes at season end

When cold weather threatens the crop in September or October, clear all remaining tomatoes from the plants regardless of colour. Sort them by stage: already turning colour, mature green with a slight blush, and hard green with no colour change. Already-colouring tomatoes will ripen at room temperature within a week. Mature greens can be stored on a warm windowsill to ripen. Hard green tomatoes with no colour development will not ripen with flavour — these are the ones to use for green tomato chutney, which is one of the best ways to use a large end-of-season green tomato crop.

Medium-term storage of a glut

When you have more tomatoes than you can eat in a week, the best storage options are processing rather than holding. Cooked and blended tomatoes — passata, sauce, roasted halves — freeze well for up to twelve months and retain excellent flavour. Slow-roasting halved tomatoes in the oven at 150°C for two to three hours concentrates the flavour and produces a product even better than fresh for pasta sauces. Drying cherry tomatoes halved is another excellent option for a glut. The worst option is leaving a pile of fully ripe fresh tomatoes and hoping for the best — a box of ripe tomatoes at room temperature will be overripe and softening within three days.