Step 1

Melt butter in a large saucepan over medium-low heat. Add onion and fennel; cook, stirring occasionally until tender, about 10 minutes.

Step 2

Add potatoes, carrots, clam juice, water, salt, pepper and thyme. Bring to boil; reduce heat, cover and simmer until vegetable are just tender, 10 minutes. Add cod and shrimp; simmer, covered, until opaque, 5 minutes.

Step 3

Gently stir in cream and heat through (do not boil). Sprinkle with parsley and serve.