Heat oil in a large saucepan over medium-high heat. Add onion, garlic, carrot, and celery, cook stirring regularly, for 3-4 minutes or until onion has softened.
Stir in cauliflower, stock, and water, bring to the boil then reduce heat to low. Simmer for 6-7 minutes, or until vegetables are tender. Remove from the heat.
Ladle the soup base into a blender or food processor and blend until smooth and creamy. Return soup base back to the pot and place on medium heat.
Add corn kernels and marinara mix and simmer, uncovered, for 5-6 minutes or until the seafood is just cooked through.
Garnish with chives, parsley and cracked black pepper before serving.

Use Heart Foundation Basic Chicken Stock.
Marinara Mix is a fresh mix of seafood that can be purchased from most supermarkets and fish mongers.