Gum Paste substitute

Best substitute

Fondant plus tylose or CMC powder

1 teaspoon tylose (CMC) powder kneaded into 8 oz (225 g) fondant

Best for sugar flowers

Close match

This is not really a substitute, it is how most decorators make gum paste anyway. Knead the powder in thoroughly, wrap tightly in plastic and let it rest at room temperature for at least an hour, ideally overnight, so the gum hydrates. The result rolls thin, holds a frilled edge and dries hard in about 24 hours. The only differences from bought gum paste are a slightly softer set and a little less elasticity.

Other gum paste substitutes

Ranked, with the exact amount to use

2Gum tragacanth kneaded into fondant
Close match
Use 1 to 2 teaspoons gum tragacanth for every 8 oz (225 g) fondant
The traditional stiffener, used long before tylose existed.
What changes
It gives a slightly stretchier paste that dries just as hard but takes noticeably longer to set, often two days rather than one. Some people find it has a very faint earthy taste, which does not matter for decorations nobody eats.
Best for
traditional sugar flowers, petals with thin ruffled edges, pieces you want extra working time on
Gum tragacanth needs a longer rest than tylose, so leave the kneaded paste wrapped for a full 8 to 12 hours before working with it. It is a plant gum, and anyone with a sensitivity to plant gums should avoid it.
3Plain fondant, rolled thicker and dried longer
Different texture
Use the same amount
Fondant is essentially gum paste without the gum, so it shares the same sugar-dough flavor and color behavior.
What changes
What changes is real: it tears if you roll it truly thin, it never fully hardens all the way through, and a shape left standing will slowly bend and sag, especially in humidity. A flat cut-out star or a leaf will be fine after a couple of days in dry air. A rose with layered petals will droop.
Best for
flat cut-out shapes, simple leaves and letters, lay-flat decorations, pieces used the same day
Give it every advantage: roll it as thin as it tolerates, dry it on foam or crumpled paper towel to support the shape, and allow two to three days. Avoid a humid kitchen entirely, since fondant reabsorbs moisture from the air and softens back up.
4Modeling chocolate (candy clay)
Different texture
Use the same amount by weight
Chocolate kneaded with corn syrup, so it tastes far better and firms up genuinely solid as it cools.
What changes
It is the best option for sculpted figures, bows and thick draped shapes because it holds detail crisply and does not sag. It will not do thin petals: rolled thin it cracks, and body heat from your hands makes it greasy and soft while you work.
Best for
sculpted figures and animals, bows and ribbons, large draped or wrapped pieces, anything meant to be eaten
Work in a cool room and chill the pieces briefly if they go slack. It sets by cooling rather than drying, so it stays flexible if the kitchen is warm and it will melt against a hot cake or in direct sun.
5Marzipan or almond paste, stiffened
Different texture
Use the same amount with 1 teaspoon tylose per 8 oz if available
Marzipan models beautifully and holds shape better than fondant because of its almond structure, and it tastes markedly better than any sugar paste.
What changes
The trade-offs are its cream-yellow color, which mutes pastel dyes and makes true white impossible, and its oil content, which keeps it slightly soft in the middle forever. It is a strong choice for fruit, vegetables and animal figures, not for petals.
Best for
modeled fruit and vegetables, figures, traditional Christmas and simnel cake decoration
Contains almonds, so it is off the table where there is a nut allergy. Knead in a little sifted powdered sugar if it feels oily, and keep pieces out of direct light because marzipan darkens as it dries.
6Homemade gum paste from powdered sugar, egg white and gum
Close match
1 lb powdered sugar, 1 tablespoon tylose or gum tragacanth, 1 large egg white, 1 teaspoon shortening
The from-scratch route when you have gum but no fondant.
What changes
Beat the egg white to soft peaks, add most of the sugar and the gum, then knead in the rest with the shortening until it is smooth and no longer tacky. It behaves like commercial gum paste, if anything a little firmer and quicker to dry.
Best for
sugar flowers, large decorating projects where buying paste is expensive
This version contains raw egg white. The decorations are not really meant to be eaten, but if children might eat them, use 2 tablespoons of meringue powder mixed with 3 tablespoons of water instead of the fresh egg white. Rest the paste, wrapped, for several hours before use.

What is Gum Paste?

Gum Paste is Gum paste, also called gumpaste, flower paste or sugar florist paste, is a sugar dough stiffened with an edible gum such as tylose or gum tragacanth so it can be rolled paper thin and dries rock hard.

Cooking tips

Gum paste dries out in minutes in open air, which is the number one reason beginners struggle with it. Keep the bulk wrapped in plastic inside a zip bag and only pull off a marble-sized piece at a time.
Grease the work surface with a whisper of shortening rather than dusting with cornstarch when you want a translucent petal edge. Cornstarch dries the surface and gives thin work a chalky, cracked look.
Anything you make needs real drying time before it goes near a cake: 24 hours for small petals, up to three or four days for a large topper or anything standing upright. Humidity roughly doubles those times.
Never store finished gum paste decorations in the refrigerator or in an airtight box with a cake. Condensation makes hardened sugar work go sticky and translucent, and it cannot be recovered. Keep them in a cardboard box at room temperature.
Color gum paste with gel or paste colors only. Liquid coloring adds enough water to slacken the paste and it will never dry as hard, and deep colors need to be mixed a day ahead because they darken as they sit.

Frequently asked questions

Can I use fondant instead of gum paste?

For flat cut-outs, simple leaves and letters, yes, as long as you dry them for a couple of days on a support. For thin petals, ruffles or anything that has to stand up, fondant will let you down: it tears when rolled thin and slowly bends under its own weight. The five-minute fix is to knead 1 teaspoon of tylose or CMC powder into 8 ounces of fondant and rest it an hour, which turns it into working gum paste.

What is the difference between gum paste and fondant?

They are close cousins made of powdered sugar and a binder. Fondant stays soft and pliable so it can be draped over a cake, and it tastes acceptable. Gum paste has an edible gum added, which lets it be rolled almost transparently thin and makes it set hard as porcelain, so it is used for flowers and standing decorations rather than for covering. Hardened gum paste is edible but unpleasant to actually chew.

Can I just leave the gum paste decorations off?

Yes. Gum paste is purely decorative and does nothing to the cake itself, so leaving it out changes nothing about how anything tastes or bakes. If you want visual interest without it, pipe buttercream flowers, use fresh fruit, or press chocolate shards or edible flowers into the frosting. Those all read as intentional rather than unfinished.

How do I make gum paste without tylose or gum tragacanth?

There is no genuine version without a gum, because the gum is the entire point. The nearest workaround is fondant rolled slightly thicker, dried for two to three days in dry air on a supporting form, and kept to small, low, flat shapes. Some decorators knead in a little melted white chocolate or sifted powdered sugar to firm it up, which helps a bit and makes the paste less stretchy, but it will not give you a petal you can wire.

Why is my gum paste cracking at the edges?

Almost always because it has dried too much before you finished shaping it, or because you dusted with cornstarch which pulls out more moisture. Knead a tiny smear of shortening and a drop of water into the piece, keep the rest of the batch sealed, and work faster on thin edges. Cracking can also mean too much gum, so use less next time.

Related substitutes

More baking substitutes

Gum Paste substitute

Other gum paste substitutes

2Gum tragacanth kneaded into fondant

3Plain fondant, rolled thicker and dried longer

4Modeling chocolate (candy clay)

5Marzipan or almond paste, stiffened

6Homemade gum paste from powdered sugar, egg white and gum