In a frying pan, add oil, onions and lime slice. Fry for 2-3 minutes or until onions have softened.

Remove lime, then add in the sugar, salt and Worcestershire sauce. Fry softly for a 2 more minutes.

On a slice of bread spread the coleslaw.

Chop the olives and add onto the coleslaw.

Next spread on the onions.

Add on the cheese (either grated or sliced).

Cut in half and serve immediately.