Heat oil in a large pan.
Cook onion and garlic, stirring until onion is soft.
Add undrained tomatoes, wine, tomato paste, sugar, vinegar and water.
Bring to boil & simmer uncovered for about 20 minutes or until sauce thickens.
Add Marinara mix to sauce & simmer for about 10 minutes or until seafood is cooked through.
Sprinkle with oregano just before serving.
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