The relish ingredients are spirit vinegar, sugar, cabbage (contains preservative: sulphites), rapeseed oil, water, carrots, gherkins (contain firming agent: calcium chloride), modified cornflour, salt, onions, egg yolks, red peppers, mustard, stabilisers: guar gum and xanthan gum, spice extracts, spices, herb extract (contains celery), flavourings and colour: riboflavin; vegetables 35%.

The salad cream base results in a more tart flavour than similar mayonnaise-based sandwich spreads found in the United States.

Heinz Sandwich Spread is considered a niche product and its main markets are within the UK and in parts of Canada.

Similar supermarket own brand products have included Seafood Sandwich Spread using a Thousand Island Dressing base.

[1] Among adults, it may also fall into the category of comfort food through its association with childhood.