plant-based baking

A cinnamon roll is one of the great pleasures of vegan baking — the pull-apart spirals, the buttery cinnamon filling, the thick glaze pooling into every crevice. The problem is the timeline. A proper yeasted cinnamon roll requires proofing, rolling, a second rise, and usually the better part of a Sunday morning before the first one is on the table. This vegan cinnamon roll cake gives you everything that matters about a cinnamon roll — the soft, pillowy crumb, the deep swirl of cinnamon sugar and vegan block butter running through the centre, the sweet vanilla glaze dripping down the sides — in a single baking tin, from a batter rather than a dough, with no yeast, no proofing, and no waiting. It is 100% plant-based, dairy-free, and egg-free. It serves 10–12. It is in the oven in 20 minutes and on the table in under an hour. The crumb is tender and bouncy with a tight, moist texture that is closer to a classic American coffee cake than a bread-based roll — which is to say, it is exactly what you want a vegan bake to be: honest about what it is, and genuinely excellent at being that thing.

The technique is the swirl-sink-and-set method. Batter-based cinnamon cakes have a consistent failure mode: the cinnamon filling either dissolves into the batter during baking and disappears entirely (no visible swirl, no distinct cinnamon layer — just a uniformly brown cake), or it sinks to the bottom of the tin and burns while the batter above it remains undercooked and pale. Both failures share the same root cause: the filling is too liquid or too thin relative to the batter, so instead of sitting suspended in the cake as a distinct layer it migrates during the 40–45 minutes in the oven. The swirl-sink-and-set method solves this with three coordinated steps. Step one — the filling is made thick: the cinnamon-sugar-butter mixture uses cold vegan block butter that has been melted and immediately cooled to room temperature, then mixed with a small amount of plain flour and a larger proportion of dark brown sugar and cinnamon, producing a filling that is thick, almost paste-like, rather than liquid. Step two — the swirl is created in two layers: half the batter goes into the tin first, the entire filling is dropped in spoonfuls over the surface and spread gently, then the remaining batter is poured over the top and the filling swirled through both layers with a skewer or butter knife — this sandwiches the filling between two layers of batter rather than sitting it on top where it would cook too fast. Step three — the filling is set before it sinks: the oven is preheated to a higher-than-usual temperature (190°C fan) for the first 10 minutes of baking, which sets the batter around the filling quickly enough to prevent the filling migrating to the bottom; after 10 minutes the temperature is reduced to 170°C fan for the remaining 30–35 minutes to cook the centre through without overbrowning the top. The result is a visible, distinct cinnamon swirl that runs through the entire cake — dark, gooey, and fragrant — surrounded by a pale, tender vanilla crumb.

This recipe serves 10–12.

Recipe Information

Ingredients

For the Cake Batter

• 300g (2½ cups) plain (all-purpose) flour — spooned and levelled, not scooped; over-measuring flour produces a dense, dry crumb
• 200g (1 cup) caster sugar (superfine sugar)
• 2 tsp baking powder
• ½ tsp baking soda (bicarbonate of soda)
• ½ tsp fine sea salt
• 240ml (1 cup) unsweetened oat milk — or soy milk; both provide good structure; avoid coconut milk (too rich) or almond milk (too thin)
• 120ml (½ cup) neutral oil — sunflower, vegetable, or light rapeseed; not olive oil
• 2 tsp apple cider vinegar — reacts with the baking soda to provide lift; do not omit
• 2 tsp vanilla extract — pure vanilla, not vanilla flavouring

For the Cinnamon Filling

• 80g (⅓ cup) vegan block butter — block only, not tub-style spread; melted and cooled to room temperature before using
• 150g (¾ cup packed) dark brown sugar — dark brown specifically; the molasses content is what gives the filling its deep, complex flavour; light brown sugar produces a paler, thinner filling
• 2½ tsp ground cinnamon — use good-quality cinnamon; Ceylon cinnamon (true cinnamon) is sweeter and more delicate than cassia; either works here
• 2 tbsp plain flour — thickens the filling and prevents it from becoming too liquid during baking
• Pinch of fine sea salt — heightens the sweetness of the filling

For the Vanilla Glaze

• 120g (1 cup) icing sugar (powdered sugar), sifted
• 2–3 tbsp oat milk — added gradually; the glaze should be thick enough to fall in a slow ribbon from a spoon, not runny
• 1 tsp vanilla extract
• Pinch of fine sea salt

Instructions

1. Prepare the tin and preheat. Preheat the oven to 190°C fan / 200°C conventional / 400°F. Grease a 23cm (9-inch) round cake tin generously with vegan block butter or neutral oil and line the base with baking parchment. Do not use a springform tin — the batter is too liquid at the pouring stage and will leak at the seam.
2. Make the cinnamon filling. In a small bowl, stir together the cooled melted vegan block butter, dark brown sugar, cinnamon, flour, and salt until a thick, uniform paste forms. The mixture should hold its shape when you drop a spoonful — not run. Set aside.
3. Mix the wet ingredients. In a large jug or bowl, whisk together the oat milk, neutral oil, apple cider vinegar, and vanilla extract. Leave to stand for 2 minutes — the vinegar will begin to curdle the oat milk slightly, creating a vegan buttermilk effect that tenderises the crumb.
4. Mix the batter. In a large bowl, whisk together the flour, sugar, baking powder, baking soda, and salt. Pour the wet ingredients into the dry ingredients and stir with a spatula until just combined — a few small lumps remaining are fine and preferable to overmixing, which develops the gluten and makes the crumb tough. Do not use an electric mixer.
5. Build the layers. Pour exactly half the batter into the prepared cake tin and spread level with the back of a spoon or a small offset spatula. Drop the cinnamon filling in spoonfuls over the surface of the batter — approximately 8–10 spoonfuls evenly distributed — then spread the filling gently with the back of a spoon to cover the batter layer in an even layer, leaving a 1cm border at the edge of the tin. Pour the remaining batter over the filling and spread gently to cover.
6. Swirl. Using a butter knife or a skewer, drag through the batter in wide S-curves or figure-eights to create the swirl pattern — 6–8 passes across the tin. Do not over-swirl; 8 passes is enough. Over-swirling blends the filling completely into the batter and eliminates the visible swirl.
7. Bake — high-then-low method. Place the cake on the middle shelf of the preheated oven at 190°C fan. After 10 minutes, without opening the oven, reduce the temperature to 170°C fan. Continue baking for a further 30–35 minutes. The cake is done when a skewer inserted into the centre comes out with moist crumbs (not wet batter) and the top is deep golden. The cinnamon swirl areas will look slightly darker — this is correct.
8. Cool in the tin. Allow the cake to cool in the tin for 20 minutes before attempting to turn it out. Running a thin knife around the edge of the tin helps release it cleanly. Turn out onto a wire rack and allow to cool for a further 10 minutes before glazing — the cake must be warm, not hot, when the glaze is applied; on a hot cake the glaze runs off without setting.
9. Make and apply the glaze. Whisk together the sifted icing sugar, oat milk (starting with 2 tablespoons and adding more as needed), vanilla, and salt until smooth and thick. The glaze should fall from a spoon in a slow, steady ribbon. Drizzle over the warm cake in a back-and-forth motion, allowing it to drip naturally down the sides. Serve warm.

Pro Tips

• Cool the melted butter before making the filling — hot butter mixed with dark brown sugar creates a liquid caramel that runs straight through the batter during baking rather than sitting suspended as a distinct layer; the butter must be melted and cooled to room temperature (so it is liquid but not warm) before mixing with the sugar; the slight solidification of the fat as it cools to room temperature is what gives the filling its paste-like consistency that holds position in the batter.
• Don’t open the oven in the first 10 minutes — the high-temperature initial bake is setting the batter around the filling; opening the oven drops the temperature and interrupts this process, allowing the filling to begin migrating before the batter has set around it; wait until the 10-minute temperature reduction before checking on the cake.
• Spoon and level your flour — the most common cause of a dense, dry cinnamon cake is too much flour; spooning flour into the measuring cup (rather than scooping the cup directly into the flour bag, which compacts it) and levelling the top with a knife gives the correct measurement; if weighing (which is always more accurate), use 300g exactly.
• Glaze on a warm, not hot, cake — the glaze must be applied when the cake is warm enough that it runs slightly and settles into the crevices of the cinnamon swirl, but cool enough that it is not immediately absorbed or runs completely off the sides; 10 minutes on a wire rack after turning out is approximately the right window; if the glaze sets before you finish drizzling, stir in a few more drops of oat milk to loosen it.

Cinnamon: The Spice That Drove the Age of Exploration

Of the two or three dozen spices that shaped the history of global trade, cinnamon holds a particular distinction: it is one of the oldest recorded spices in human history and one of the most fought-over commodities in the story of European colonialism. Cinnamon — the dried inner bark of trees in the genus Cinnamomum — is mentioned in Chinese writing as early as 2700 BCE and in the Egyptian Ebers Papyrus (c.1550 BCE), where it appears alongside cassia as a medicinal ingredient; it is listed among the spices used to embalm the bodies of pharaohs. In ancient Rome, cinnamon was so precious that the Emperor Nero, according to Pliny the Elder’s Natural History, burned an entire year’s supply of Rome’s cinnamon at the funeral of his wife Poppaea Sabina in 65 CE — a public display of grief and wealth that Pliny considered excessive even by the standards of imperial Rome. The source of this cinnamon — specifically Ceylon cinnamon (Cinnamomum verum), the true cinnamon native to Sri Lanka — was one of the great secrets of the medieval spice trade. Arab traders who controlled the overland routes to the East maintained elaborate fictions about cinnamon’s origins (including stories of giant birds that built their nests from cinnamon sticks, which traders had to dislodge with weighted spears) to prevent their European customers from attempting to source it directly. It was partly the desire to reach the cinnamon and pepper and nutmeg of South and Southeast Asia directly — cutting out the Arab and Venetian middlemen who controlled the overland routes — that drove Portugal’s maritime exploration of the African coast in the 15th century, ultimately leading Vasco da Gama to India in 1498 and fundamentally reshaping the political and economic geography of the world. The Portuguese seized control of Sri Lanka’s cinnamon trade in the 16th century; the Dutch East India Company (VOC) wrested it from them in the 17th; the British took it in the 18th. The cinnamon in this cake — warming and fragrant, darkening the sugar filling to a deep amber in the oven — carries four thousand years of human history in its flavour.

Flavor Variations

• Cardamom and Orange Cinnamon Roll Cake: Add 1 teaspoon of ground cardamom to the cinnamon filling alongside the cinnamon, and replace half the cinnamon (so 1¼ teaspoons of cinnamon + 1 teaspoon of cardamom in total). Add the finely grated zest of one large orange to the cake batter with the wet ingredients, and use freshly squeezed orange juice in place of one tablespoon of oat milk in the glaze. The cardamom and orange version is more floral and aromatic than the classic, and works particularly well as a special-occasion cake.
• Apple and Cinnamon Roll Cake: Fold 150g of peeled, finely diced apple (one medium apple) into the cake batter after mixing, and add ½ teaspoon of ground nutmeg to the cinnamon filling. The apple pieces sink into the lower half of the cake during baking, creating pockets of soft, sweet apple in the crumb beneath the cinnamon swirl. Increase the bake time by 5 minutes to account for the added moisture from the apple.
• Chocolate Chip Cinnamon Roll Cake: Fold 100g of dairy-free dark chocolate chips into the cake batter after mixing, and add 2 tablespoons of cocoa powder to the cinnamon filling to create a mocha-cinnamon layer. The chocolate chips melt slightly during baking and create pockets of chocolate richness throughout the crumb. Glaze with a simple chocolate glaze — 80g of melted dairy-free dark chocolate thinned with 2 tablespoons of oat milk — rather than the vanilla icing.

Nutritional Highlights (Per Serving — Based on 12 Servings)

Storage

• Room temperature: Store the cake covered with a clean tea towel or in a cake tin at room temperature for up to 2 days. The glaze will set firm by day two but the crumb remains moist.
• Refrigerator: Store in a sealed container or covered with cling film for up to 5 days. Bring to room temperature before serving, or warm individual slices in a low oven (150°C) for 8–10 minutes — the cinnamon filling softens again on warming and the cake tastes freshly baked.
• Freezer: Freeze individual slices (unglazed) wrapped in cling film and then in a zip-lock bag for up to 2 months. Defrost at room temperature for 2 hours and glaze before serving. The crumb texture is very well preserved through freezing and thawing; this is a reliable cake for batch baking and freezing.
• Reheating: Individual slices reheat beautifully in a microwave for 20–25 seconds — the filling becomes warm and gooey again. Do not microwave the glazed cake for longer than 25 seconds or the glaze will melt off the cake entirely.
• Make ahead: The cake can be baked the day before needed and stored at room temperature, with the glaze applied on the day of serving for the freshest presentation. The unglazed cake keeps its texture very well overnight.

Frequently Asked Questions

Can I make this in a rectangular tin instead of a round tin?

Yes — a 23cm × 33cm (9-inch × 13-inch) rectangular tin works well and produces a thinner cake with a higher ratio of cinnamon filling to crumb in each slice, which many people prefer. Reduce the bake time to 30–35 minutes total (15 minutes at the high temperature, then 15–20 minutes at the lower temperature) as the thinner batter cooks through more quickly. Check with a skewer from 30 minutes.

Why did my cinnamon filling sink to the bottom?

The most common causes are: the filling was too liquid (the butter was still warm when mixed with the sugar); the batter was too thin (the flour was under-measured); or the oven temperature was not high enough in the initial phase to set the batter around the filling before it migrated. Check all three. The filling must be paste-like, not pourable, before it goes into the tin.

Can I make this without the swirl and just mix the filling through?

Yes, though the result is a different cake — more uniformly flavoured throughout, without the dramatic ribbons of filling. Stir the filling through the completed batter in 3–4 folds rather than layering and swirling, for a marbled effect. The bake time and temperature remain the same.

My cake is golden on top but still wet in the centre — what do I do?

This is the most common issue with deep, moist cakes. Tent the top loosely with a sheet of foil (to prevent further browning) and return to the oven at 160°C fan for 10-minute increments, checking with a skewer each time. A baking tin that is too small (deeper than intended for the volume of batter) is usually the cause of uneven baking — the outer edges set while the centre stays wet. Use the correct tin size for this recipe.

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