1. In a large saucepan heat the oil, and gently sauté the onion, carrot, and celery. 
  2. Add potato, corn kernels and chicken stock, bring to the boil and simmer for about 10 minutes or until vegetables are tender. 
  3. Then, add Shore Mariner Seafood Marinara and cream, bring back to a simmer. 
  4. Mix cornflour with a little wine or water and stir through chowder to thicken a little, remove from the heat. 
  5. Stir through chopped parsley. Season with salt and pepper. 
  6. Serve in a bowl and garnish the top with chopped chives, accompanied with crusty bread.