If you’ve ever been confused about the difference between cornstarch and cornflour in the UK, you’re not alone. These two ingredients often cause confusion, especially since their names and uses vary depending on where you are in the world.
In this comprehensive guide, we’ll explore:
- The key differences between cornstarch and cornflour in the UK
- How they are used in cooking and baking
- Whether they can be substituted for each other
- Common recipes that use these ingredients
- Where to buy them in the UK
By the end of this post, you’ll have a clear understanding of these pantry staples and how to use them effectively in your kitchen.
What is Cornstarch?
Cornstarch (known as cornflour in the UK) is a fine, white powder made from the endosperm of corn kernels. It is a pure starch and contains no protein or fat, making it an excellent thickening agent.
Key Characteristics of Cornstarch (UK Cornflour)
- Texture: Very fine and powdery
- Appearance: Pure white
- Taste: Neutral, no distinct flavor
- Uses: Thickening sauces, gravies, soups, and custards
How is Cornstarch Made?
The process involves:
- Soaking corn kernels to soften them.
- Separating the endosperm (starchy part) from the germ and bran.
- Drying and milling the endosperm into a fine powder.
Since it’s pure starch, cornstarch (UK cornflour) has twice the thickening power of wheat flour.
What is Cornflour in the UK?
Here’s where things get tricky!
- In the US and Canada, “cornflour” refers to finely ground whole cornmeal (like a very fine flour made from whole corn).
- In the UK and many other countries, “cornflour” is actually what Americans call cornstarch—a pure starch used for thickening.
So, if a British recipe calls for cornflour, they mean cornstarch (the thickening agent).
Key Characteristics of UK Cornflour (Cornstarch)
- Used as a thickener in sauces, puddings, and soups.
- Gluten-free, making it great for those with gluten intolerance.
- Creates a glossy, smooth texture when cooked.
Cornstarch vs Cornflour in the UK: Are They the Same?
| Feature | UK Cornflour (Cornstarch) | US Cornflour (Finely Ground Cornmeal) |
|---|---|---|
| Definition | Pure starch from corn | Finely ground whole corn |
| Texture | Fine, powdery | Slightly gritty, like flour |
| Usage | Thickening agent | Baking, breading, tortillas |
| Gluten-Free? | Yes | Yes (but check for cross-contamination) |
Important Note: If you’re following a UK recipe that says “cornflour,” you should use cornstarch (the white, powdery thickener). If you’re using a US recipe, “cornflour” means finely ground cornmeal, which is different.
Common Uses of Cornstarch (UK Cornflour)
1. Thickening Sauces and Gravies
Cornstarch is a popular thickener because it:
- Creates a smooth texture (no lumps)
- Doesn’t add flavor
- Works quickly (thickens at a lower temperature than flour)
How to Use: Mix 1 tbsp cornstarch with 1-2 tbsp cold water (a “slurry”) before adding to hot liquids to prevent clumping.
2. Baking (For a Lighter Texture)
- Used in cakes, cookies, and shortbread to create a tender crumb.
- Often mixed with flour in gluten-free baking.
3. Frying (For a Crispy Coating)
- Used in batters for fried chicken or tempura for extra crispiness.
4. Desserts (Puddings, Custards, Pie Fillings)
- Essential in recipes like vanilla custard or lemon meringue pie.
Can You Substitute Cornstarch (UK Cornflour) with Other Ingredients?
Yes, in some cases:
| Substitute | Best For | Conversion |
|---|---|---|
| Arrowroot Powder | Gluten-free, clear sauces | 1:1 ratio |
| Potato Starch | High heat cooking | 1:1 ratio |
| Wheat Flour | Gravies, sauces | Use twice the amount |
| Tapioca Starch | Puddings, pies | 1:1 ratio |
Note: Substitutes may alter texture and clarity.
Where to Buy Cornstarch (Cornflour) in the UK
You can find it in:
- Supermarkets (Tesco, Sainsbury’s, Asda, Morrisons) – Look in the baking aisle.
- Online (Amazon, Ocado, Holland & Barrett)
- Health food stores (for gluten-free options)
Popular Brands in the UK:
- Dr. Oetker Cornflour
- Tate & Lyle Cornflour
- M&S Cornflour
FAQs About Cornstarch and Cornflour in the UK
1. Is cornflour the same as cornstarch in the UK?
Yes! In the UK, “cornflour” refers to what Americans call cornstarch.
2. Can I use cornmeal instead of cornflour (UK)?
No—cornmeal is coarser and won’t thicken sauces the same way.
3. Why does my sauce get lumpy with cornflour?
You likely added it directly to hot liquid. Always mix with cold water first.
4. Is cornflour gluten-free?
Yes, pure cornstarch (UK cornflour) is naturally gluten-free.
Final Thoughts
Understanding the difference between cornstarch and cornflour in the UK is essential for successful cooking and baking. Remember:
- UK Cornflour = Cornstarch (thickening agent)
- US Cornflour = Finely ground cornmeal (used in baking)
Now that you know the distinction, you can confidently use these ingredients in your recipes without confusion!
