Bring to boil in a medium pot 1 quart of water
In a large saucepan, pour your olive oil, and heat over medium to low heat
Add your diced onions and minced garlic to the oil
Saute your onions and garlic until translucent
Pour in your diced tomatoes and tomato sauce into the saucepan with the onions and garlic, bring to a simmer
Add salt, pepper, Italian seasonings, and oregano to the sauce and let simmer over low heat
Once your water is boiling add your pasta and reduce heat
Cook your pasta to 75% done (75% of whatever time is recommended on the packaging)
Drain your pasta and rinse
Pour your drained pasta into your simmer tomato sauce and finish cooking the pasta to al dente.
Sprinkle your fresh basil leaves into your pasta/tomato sauce and gently stir in.
Serve warm with freshly grated Parmigiano Reggiano cheese sprinkled over the top.