Mikes Tuna Melt

One can tuna packed in water
Two (or three) table spoons mayonnaise
One small or half medium onion finely chopped
One medium size tomato chopped
One whole jalapeno finely chopped.
Table spoon parmesan cheese (optional)
Teaspoon of extra virgin olive oil
4-5 small Spanish olives stuffed with pimiento

mix above ingredients in a bowl
place on favorite bread (I use extra sourdough)
thin slice your favorite melting cheese and place on top
place in broiler until cheese has melted and edges of bread are crispy.