Ube (purple yam) substitutes

The same tuber, peeled and grated before freezing, and the version most Filipino bakers outside the Philippines actually use. It is not a compromise.

Best for

ube halaya, ube pandesal and ube bread dough, ube cheesecake and ice cream bases, halo-halo

Frozen ube carries more water than fresh, so drain it in a sieve and press gently, or cook your halaya five to ten minutes longer to drive the moisture off. The colour is often paler than fresh ube and a little grey at the edges, which is normal, and it deepens as it cooks down with milk and sugar. Flavour is essentially identical.

Ube already cooked down with condensed milk, sugar and butter, which is why it is the fastest route into a cheesecake, ice cream or bread filling.

Best for

ube cheesecake, ube ice cream and halo-halo, filling for pandesal and rolls, ube buttercream

The flavour is deeper and more caramelised than plain mashed ube, and the colour is usually more purple because most commercial halaya includes colouring. Because it is already sweetened and enriched, a recipe that does not have its sugar and fat pulled back comes out cloying and greasy. In a bread dough, halaya also adds enough sugar to slow the yeast, so allow a longer rise.

Shelf-stable, cheap, and genuinely made from ube, which puts it well ahead of extract as a flavour source even though it is weaker than the fresh root.

Best for

cakes and cupcakes, pancakes and waffles, drinks and lattes, anywhere you cannot spare fridge space

Hydrated ube powder tastes dustier and less sweet than fresh, closer to a mild taro, and its colour is a muted greyish lavender rather than violet. Let it sit the full fifteen minutes or you get gritty specks in the crumb. A quarter teaspoon of ube extract per cup fixes the colour and aroma if you have any; if not, the cake is still good, just quieter and paler.

The best fresh-produce swap in a Western supermarket, and the reason so many cafe ube desserts are secretly purple sweet potato.

Best for

ube ice cream and soft serve, cakes, muffins and pies, purple mashed side dishes, anything where colour matters more than authenticity

Purple sweet potato is noticeably sweeter and much wetter than ube, and it tastes like sweet potato, with none of ube's nutty, faintly coconut and vanilla quality. Cut the sugar or the dessert becomes sickly, and reduce other liquid by a couple of tablespoons per cup or a cake batter will slump. Okinawan sweet potato has genuinely purple flesh and is the better pick; Stokes runs more magenta and turns slightly blue-grey in an alkaline batter. Do not use ordinary orange sweet potato and expect anything purple.

The right texture answer and the wrong colour answer. Taro is starchy, dry and mashes to the same dense, slightly sticky puree ube does, which makes it the closest textural match on this list.

Best for

halo-halo, bubble tea and drinks, steamed cakes and buns, puddings where colour can be adjusted

Taro is pale cream flecked with lilac, not purple, so any dessert made with it looks grey-beige unless you colour it. The flavour is earthier and more savoury than ube, less sweet, and closer to a chestnut. It is a fine swap in a drink or a pudding and an obvious one in a cake meant to be violet. Handle raw taro with gloves, as the raw sap irritates skin, and always cook it fully.

The honest bottom of the list, for when you need an ube pandesal or ube bread tonight and have nothing purple in the house.

Best for

ube pandesal or enriched bread dough, ube cheese pandesal, situations with no Asian grocery within reach

Potato gives you the starch, softness and moisture that make ube bread tender, and the extract gives colour and a vanilla-ish aroma. What you do not get is any ube flavour, because the extract is mostly dye and perfume. The result is a very good soft purple roll that does not taste of ube, and it is worth being clear-eyed about that rather than disappointed. Rice or pass the potato through a sieve while hot, since mashing hard makes it gluey.