Sauté the aromatics – In a large pot, melt butter over medium heat. Sauté onions and garlic until fragrant.
Deglaze with wine – Pour in the white wine and let it simmer for about 3 minutes to enhance flavor.
Build the broth – Add seafood stock, tomatoes, paprika, thyme, salt, and pepper. Simmer for 5 minutes.
Stir in the cream – Slowly add heavy cream, stirring continuously for a silky broth.
Cook the seafood – Add shrimp, scallops, fish, and mussels. Cover and simmer for 5-7 minutes until seafood is just cooked.
Garnish & serve! – Finish with fresh parsley, lemon zest, and an extra drizzle of cream. Serve hot with crusty bread!