Does Mayonnaise melt cheese when they are placed on a sandwich together?

Mayonnaise doesn't technically "melt" cheese in the same way that heat does. Here's why:

* Mayonnaise is not hot: Melting requires heat. Mayonnaise is at room temperature, so it won't melt cheese.

* Mayonnaise is an emulsion: It's made from oil, eggs, and vinegar, which doesn't have the same heat properties as a cooking method.

However, mayonnaise can help soften cheese:

* Fat content: The fat in mayonnaise can help to slightly soften some cheeses, like cheddar or Swiss. This can make the cheese feel creamier and less crumbly.

* Moisture: The water content in mayonnaise can also contribute to a slight softening of the cheese.

Overall: Mayonnaise won't melt cheese in the same way that heat will, but it can help make the cheese feel softer and creamier.