Stir in cream and milk, then add cooked shrimp and crab meat.
Let simmer gently (do not boil) for 5–10 minutes until heated through and slightly thickened.

Taste and finish

Adjust seasoning to taste with salt, pepper, or a touch more Old Bay.
Garnish each bowl with chopped parsley and a drizzle of cream or melted butter.

Serving Suggestions
Serve hot with:

Toasted French bread or garlic crostini
A fresh green salad
A squeeze of lemon for brightness