Chop onions and cook in a pn with olive oil on medium/low heat for 5-10 minutes. Add chopped sweet pepers,garlic and musroom. Add tomato Sauce,tomato puree and tomato paste. Season with salf nd black peper. Cook slowly for about 45 minutes stirring often.
Prepare pasta by adding to a large pot of boiling water. Cook for about 10 minutes.Drain in a colanbe place in a large bowl cover with the spaghetti sauce and mix together.