You can serve these Spanish mussels as an appetizer or as a full on main course on top of some penne pasta. For a light meal or lovely starter, simply add mussels to simmer (until opened) in this beautiful tomato sauce with butter, olive oil, garlic, shallots, capers, Italian seasoning and crushed chilli flakes, garnished with spring onions. Stir in 1 tablespoon parsley. Top with remaining 1 tablespoon parsley and, if desired, lemon wedges. Extra Tips For Making Steamed Mussels: One of the keys to this recipe is the juice that the mussels release when they are steaming. Lightly toss, and spoon into 4 bowls. Serve with fresh rocket salad and crusty bread for wiping up every last bit of sauce! Add mussels to sauce. Learn how to make Mussels in Tomato Sauce. They add a beautiful flavor and consistency to the broth. Serve with bread. Cover and cook until mussels start to open, 4 to 5 minutes. (Discard any mussels that do not open.) Either way you go, make sure to have a crusty baguette to mop up all that beautiful sauce. I did not add any salt to this recipe, because the mussels will release their own juice when they open, and this juice is naturally salty enough. MyRecipes has 70,000+ tested recipes and videos to help you be a better cook. Loaded with Spanish flavors and beyond easy to make. This Spanish Mussels Recipe with Paprika & Tomatoes is truly a stunning dish.