Spaghetti alla matriciana

I'm living in Italy. This is the country with long traditions, also in the kitchen. Especially is famous for pasta. I decided to put here some recipes. In one of previouse post i explain how to cook Spaghetti with garlic, olio and hot pepper - It's one of the dish we cook often at home. Today I explain another one simple recipe of pasta, that you can cook for a dinner - Spaghetti alla matriciana. It's famous italian plate you can find in most of italian restourants in all the world. It dos't need many ingredients and only 30 minutes to cook!