Tinned tomatoes

Whole, chopped or crushed

Whole peeled tomatoes give you the most control. Crush them with your hands over the pot, leave them in large pieces for a rustic stew, or break them down with a spoon after they soften. Chopped tomatoes save a minute but do not guarantee a chunky sauce; some tins contain small soft pieces suspended in a lot of liquid.

The tin is a starting point, not a guarantee. Read the liquid level, feel how quickly the pan is reducing and adjust before the sauce gets away from you. Some brands arrive with firm fruit and a thin juice, others with soft pieces already close to a sauce. Both can work. The mistake is using the same amount of stock and the same cooking time without looking at the pan. I keep the lid off, taste after the first ten minutes and decide whether the sauce needs more reduction or more liquid. That small pause saves a lot of watery dinners.

The label matters less than the pan. A good whole tomato in a narrow covered pot can still make a thin sauce. A basic chopped tin in a wide uncovered skillet can reduce into something useful. Start with the cooking surface, not the promise on the front of the tin. A tin is convenient because it removes the question of season, but it does not remove the question of water. Let the sauce tell you when it is ready: the spoon should leave a track for a moment, the bubbles should look slower and the tomatoes should cling to the sides instead of running straight back. If those signs are absent, give it more uncovered time before adding anything else.

The tin juice is part of the ingredient

Drain a tin only when the recipe needs less liquid from the start. The juice carries tomato flavour and can be reduced with the fruit. Pouring it away and replacing it with water gives you less seasoning and no advantage unless the tomatoes are unusually thin.

For a stew, use the whole tin and reduce uncovered. For a quick pan sauce, drain some juice into a cup and add it back if the pan looks dry. This is easier than trying to rescue a dish that started with no liquid at all.

How to make a tin taste less metallic

Give the onion and garlic time before the tomatoes arrive. Frying tomato paste in the oil for a minute helps too, as does a full simmer that lets the sharp canned edge soften. Acid is not always the answer; vinegar can brighten a dull sauce, but it cannot replace the sweetness that comes from reducing.

A pinch of sugar is rarely my first move. Taste after twenty minutes, check the salt, then add olive oil, herbs or a few drops of vinegar according to the problem. A flat sauce often needs salt or time, not sugar.

Where the tin earns its place

Tinned tomatoes are the backbone of the charred red pepper and chickpea stew and the spiced chickpea soup. Both dishes need a consistent cooked base, not the gamble of a winter tomato. For a comparison of the two main forms, see fresh versus tinned tomatoes.