Ingredient

Onion Paste

Source
Not animal-derived
Allergen
No
Role in food
Onion paste is used to impart a strong, concentrated onion flavour to a wide …

What is Onion Paste?

Onion paste is a concentrated form of onion, typically made by processing fresh onions into a smooth paste. This process often involves cooking or blanching the onions to soften them before pureeing, sometimes with the addition of salt or other ingredients to aid preservation and flavour.

Is Onion Paste vegan?

Onion Paste is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Onion Paste a major allergen?

Onion paste is derived from onions, which are not among the 14 major allergens that UK law requires to be emphasised on labels.

What is Onion Paste used for?

Onion paste is used to impart a strong, concentrated onion flavour to a wide range of savoury dishes.

Is Onion Paste safe?

Onion paste is not typically considered a food additive and does not have an E-number.

Why it's used

Onion paste is used to impart a strong, concentrated onion flavour to a wide range of savoury dishes. Manufacturers add it to sauces, soups, ready meals, and marinades to provide a consistent and intense onion taste without the texture of chopped or sliced onions.

Health notes

Onion paste is not typically considered a food additive and does not have an E-number. It is a common food ingredient made from a vegetable. Onions contain various compounds, including antioxidants and fibre, which are generally associated with health benefits. However, specific health claims related to onion paste are not established by regulatory bodies like the FSA or EFSA, as it is viewed as a foodstuff rather than a functional additive.

Allergen info

Onion paste is derived from onions, which are not among the 14 major allergens that UK law requires to be emphasised on labels. Therefore, it is not a major allergen.

Foods that contain Onion Paste

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: 17 October 2026

Note: This site presents label data from Open Food Facts for general information. It is not medical advice. Check the package label; formulations change.