Vinegar powder substitutes

The standard replacement and what most commercial salt-and-vinegar seasonings actually lean on. It is dramatically more sour per spoonful, so measuring by volume 1:1 will make food inedible. The sourness is clean and lemony rather than malty and fermented, so salt-and-vinegar chips made with it taste bright and sharp but miss the slightly bready, tangy background of malt vinegar.

Best for

salt and vinegar chips or crisps, popcorn seasoning, dry rubs, seasoning salt blends, jerky cures

Sold as sour salt in some shops and in the canning or brewing aisle. Start at a quarter of the called-for amount, taste, and climb. To close the malt gap, add a pinch of nutritional yeast or a little onion powder for savoury depth.

A mild, dry, slightly metallic-tart powder that is already in most baking cupboards. It gives real tang but nowhere near the punch, so a popcorn seasoning made with it tastes pleasantly sour rather than mouth-puckering. It also has a faintly chalky mouthfeel if you use a lot of it.

Best for

popcorn, mild seasoning blends, children's snacks, recipes where vinegar powder reacts with baking soda

This is the best choice when the vinegar powder in a baking recipe is there to react with baking soda for lift, because cream of tartar does that job properly and citric acid is less predictable at it.

A genuinely good and underused swap. Amchur is a dry, fruity-sour powder that behaves exactly like vinegar powder in a rub, staying dry and clinging to the surface. It brings a mango tartness with a faint funk, so a chicken rub made with it tastes sour and interesting rather than sharply vinegary.

Best for

dry rubs for chicken, pork and fish, roasted chickpeas and nuts, spice blends, fries and wedges

Slightly beige, so it tints pale food. Very forgiving, since it is far weaker than citric acid and hard to overdo.

Dry, tart and fruity, with a deep red color that will show. It is the least sour option here, so you need a lot of it and even then the effect is gentle rather than sharp. What you get instead is a lemony, slightly resinous tang that is delicious in its own right on potatoes and roast vegetables.

Best for

potato wedges and fries, roasted vegetables, grilled meat rubs, hummus and dips

Will turn pale seasoning blends pink or brick red. If the look matters, use citric acid instead.

The closest you can get to the rounded, slightly fermented character of malt vinegar powder using ordinary ingredients. The buttermilk powder supplies dairy tang and body, the citric acid supplies the sharp edge. On chips it tastes close to a sour cream and vinegar flavor rather than pure salt and vinegar.

Best for

chip and crisp seasoning, popcorn, ranch-style blends

Contains dairy, so it is not vegan and not shelf-stable indefinitely once opened. Keep the blend in a sealed jar and use within a few weeks.

Honestly, there is no dry substitute that tastes exactly like malt vinegar powder, and if the recipe is a marinade, brine, sauce or dough rather than a dry seasoning, liquid vinegar is simply the better answer. Where it fails is anywhere that has to stay dry: it turns chips limp, clumps rubs into paste, and slides off popcorn.

Best for

marinades, sauces and dressings, brines, doughs and batters

If you want the malt flavor on something dry, the workaround is to toss the food in a very small amount of malt vinegar, then dry it briefly in a low oven or air fryer before salting.