Brush slice bread with butter and grilled in a pan.mix egg yolks with pinc of salt and onion.mix well.

Add oil in a pan and pour the egg mixture scramble the egg and when it turns brown remove from heat.

Add mayonnaise,ketchup,yellow mustard,sardines in a bowl and using a forth mark together.

Place bread on a board,spray the sardines mixtures evenly add another layer and put on the scrambled egg,add slice onion and slice cucumber cover with another layer.cut into two and serve.