Spaghetti with pancetta-tomato sauce

Spaghetti with pancetta-tomato sauce you will need for 2 person : 250gr  or 1/2 pound  of spaghetti ( i used whole grain from barilla 150gr or roughly 1/3 of a pound of pancetta ( bacon) 1 onion minced 2 tablesp. olive oil 1 can diced tomatos 1 tablesp chopped parsley pinch of dried chilli pepper salt…