Cold brew concentrate substitutes

Freshly pulled espresso left to cool, which lands in roughly the same strength range as a cold brew concentrate.

Best for

iced lattes and coffee drinks, tiramisu soaks, coffee ice cream and semifreddo, mocha frostings

The nearest match on strength, so the arithmetic stays simple. The flavour difference is the opposite of subtle: hot high-pressure extraction pulls out a great deal of acidity and volatile aroma that cold steeping leaves behind, so an iced latte made with espresso tastes bright, sharp and lemony where cold brew tastes round, chocolatey and low. In a coffee ice cream that brightness reads as more coffee-forward. In a milky iced drink some people find it sour by comparison.

A rough concentrate assembled in thirty seconds from a jar of instant.

Best for

baking and frostings, no-churn ice cream, tiramisu, emergency iced coffee

Gets the strength right, which is the part that actually matters in a recipe, and costs nothing. It tastes flatter, ashier and more bitter than real cold brew, because instant coffee is made from hot-extracted coffee that was then dried, so it carries all the bitter compounds cold brewing avoids plus a faint cooked note. A pinch of salt in the mixture noticeably tames that bitterness. Stir until fully dissolved; cold water is slow, so give it a minute.

Ordinary drip or French press coffee made at twice the normal strength and refrigerated.

Best for

coffee cakes and brownies, tiramisu, frostings, affogato-style desserts

The most accessible option and the one that changes cold brew's defining quality, because hot water extracts far more acid and far more bitter compounds from the same grounds. Expect a sharper, more astringent result: in a chocolate cake that is entirely fine and arguably useful, and in a smooth iced coffee it is the difference people are usually paying for. If it tastes sour, a few grains of baking soda per cup, and it really is only a few grains, will round it off.

The baking-aisle instant, which is milled finer and roasted darker than ordinary instant coffee.

Best for

ganache and frostings, custards and puddings, brownies and chocolate cakes, coffee syrups

Better than ordinary instant for anything smooth, since espresso powder dissolves completely and leaves no granular residue that could grit up a custard or a buttercream. The flavour is darker and more roasted than cold brew, closer to a burnt-sugar bitterness than to cold brew's cocoa-like roundness, which suits chocolate very well and suits a delicate iced latte less. It is potent, so measure rather than eyeballing.

The same coffee already diluted for drinking, which is what most people actually have in the fridge.

Best for

iced coffee drinks, cake soaks, cocktails, recipes with liquid to spare

The flavour is exactly right, since it is literally the same coffee, so this is purely a volume problem. In a drink it is trivial: just use more and less milk. In a cake, a custard or an ice cream base you usually cannot absorb triple the liquid, so simmer it down by two thirds in a small pan first, cool it, and use it 1:1. Reducing does dull the aroma slightly and concentrates any bitterness, so taste before committing.

Roasted chicory root, barley or rye brewed strong, giving coffee-like colour and bitterness with no caffeine.

Best for

caffeine-free tiramisu and desserts, coffee-flavoured cakes, iced drinks for children, evening desserts

The only option here that removes the caffeine, and it looks convincingly like coffee. Flavour-wise it is woody and molasses-sweet rather than roasty and bitter, so a tiramisu made with it comes out sweeter and gentler and the ladyfingers taste less like coffee-soaked biscuits and more like spiced ones. Brew it more strongly than you think, because chicory reads as strong on bitterness while contributing less actual depth.