In a pan heat the butter and oil.

Add the onions and salt and fry for 2-4 minutes until the onion has softened.

Cut the crusts of the bread, then using a rolling pin, flatten the sliced bread as much as you can.

Using the fat from the onions, brush the bread slices.

Using your favourite cheese add to bread

Then add the onions on tip of cheese

Roll it carefully so it doesn't break. Use toothpicks to hold it all together. Then on the outside brush the oil from the onion.

Add the bread in and fry for about 3-5 minutes on low heat or until it is golden brown. Turn a few times.