Heat a large pan over medium high heat.
Add olive oil.
Add onion and garlic. Cook for 5 minutes, while stirring.
Add tomatoes and simmer for about an hour.
Bring a large pot of salted water to a boil.
Add Peetz S.M.A.R.T Homemade Pasta. Cook for 1 -2 minutes.
Drain and reserve 1 cup of the pasta liquid.
Add the water to the sauce and turn the heat up. Stir until fully incorporated.
Taste and season the marinara sauce.
Place the Peetz S.M.A.R.T Homemade Pasta in with the marinara sauce.
Stir to combine and plate.