Salad cream often replaces regular mayonnaise as a sandwich spread or in chicken, tuna, or potato salad. It's also used as a dipping sauce for foods like French fries (or chips, as the Brits say ...
Salad cream isn't intended only for salads ... and even served alongside slices of pizza. Mayo is a classic French sauce that is also an emulsification. Egg yolks, oil, and vinegar as well ...