A creamy, smooth vegan custard recipe made with oat milk and simple ingredients-perfect for pouring over desserts or using in tarts and trifles.
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Craving a rich and creamy custard without the dairy or eggs? This easy vegan custard recipe is a delicious plant-based twist on traditional custard, and it comes together in just a few minutes with simple ingredients you likely already have at home. Whether you're topping apple pie, layering a vegan trifle, or filling a vegan custard tart, this dairy-free custard is the silky-smooth classic you'll return to again and again.
Vegan Custard Recipe Ingredients
This vegan vanilla custard keeps things simple and fuss-free, without compromising on flavour or texture:
- Oat milk: A great plant milk for custards, offering a creamy texture and subtle sweetness. You can swap for almond milk, soy milk, rice milk, or full-fat coconut milk if preferred.
- Cornflour (corn starch): The thickening agent in this recipe-when simmered over medium heat, it gives the custard that luscious, pourable consistency. Tapioca starch or potato starch could also work, though the final texture may vary slightly.
- Caster sugar: For a smooth sweetness that dissolves easily. You can use coconut sugar, organic sugar, or even brown sugar for a richer flavour.
- Vanilla extract: Adds warmth and classic vanilla flavour. Feel free to upgrade to vanilla pods or vanilla essence depending on what you have on hand.
All these basic ingredients come together to make a vegan version of traditional crème anglaise or custard sauce-without the egg yolks or dairy.
You will need:
- oat milk
- cornflour
- caster sugar
- vanilla extract
For exact quantities see the recipe card below.
Vegan Custard Recipe Step by Step

Whisk together the cornflour and oat milk.
Add to a pan with the sugar and vanilla extract and simmer for 5 minutes until thickened.
If your custard is lumpy you can blend it with an immersion blender until smooth.
Serving Suggestions
This versatile dairy-free custard is ready to elevate your favourite vegan desserts:
- Pour warm custard over vegan sticky toffee pudding, apple pie, or vegan donuts
- Use it as a filling in custard tarts, custard pie, Boston cream pie, or cream puffs
- Cool it and spread into a vegan fruit tart, vegan banana pudding, or vegan doughnuts
- Serve with apple strudel, drizzle over ice cream, or layer in trifles
- For a more traditional use, chill the custard with plastic wrap touching the surface to prevent a skin forming
Variations and substitutions
Plant Milk Alternatives: Swap oat milk for soy milk, cashew milk, or full-fat coconut milk for different flavours and textures. Almond milk is a great option too for a lighter consistency.
Sweeteners: Try maple syrup or coconut sugar for a richer, deeper sweetness.
Flavour Twists: Add a pinch of turmeric for a natural yellow tint (reminiscent of egg yolks in traditional custard), a splash of lemon juice for brightness, or a spoonful of cocoa powder to make a smooth chocolate custard.
For a Richer Texture: Add a spoonful of vegan butter or coconut cream at the end of cooking.
To Thicken More: If your custard is too runny, increase the amount of cornstarch (or blend in a slurry of cold water + more cornflour).
Print📖 Recipe
Vegan Custard Recipe (Easy Dairy-Free Custard
- Total Time: 10 minutes
- Yield: 12 servings 1x
- Diet: Vegan
Description
A creamy, smooth vegan custard recipe made with oat milk and simple ingredients-perfect for pouring over desserts or using in tarts and trifles.
Ingredients
600ml oat milk
65g cornflour
100g caster sugar
1 tsp vanilla extract
Instructions
Whisk together the cornflour and oat milk.
Add to a pan with the sugar and vanilla extract and simmer for 5 minutes until thickened.
Notes
If your custard is lumpy you can blend it with an immersion blender until smooth.
FAQs
Can I make this vegan custard ahead of time?
Yes! Just cover with plastic wrap touching the surface and store in the fridge for up to 3 days. Reheat gently over low heat, whisking to restore the silky texture.
Why is my custard lumpy?
A common problem with custards is not whisking thoroughly or using too high a heat. If lumps form, just use an immersion blender or food processor to smooth it out.
Can I freeze vegan custard?
Freezing can alter the texture, so it's best served fresh. However, if you must freeze it, allow to thaw fully and blend well before serving.
Can I make this custard without sugar?
Yes, you can use a natural sweetener or reduce the sugar slightly. Keep in mind it will change the flavour and may slightly affect the texture.
What's the difference between this and crème pâtissière?
Crème pâtissière is usually thicker and used in patisserie. This version is more like a vegan pourable custard, but you can make it thicker with a little more corn starch and some vegan butter.
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