This recipe for garlicky steamed mussels and littleneck clams with pesto toasts is a delicious and flavorful seafood dish. The mussels and clams are steamed in a fragrant broth made with garlic, white wine, and herbs, resulting in tender and juicy shellfish. The pesto toasts add a crunchy and herbaceous element to the dish, complementing the briny flavors of the seafood. This recipe is perfect for a special occasion or a cozy dinner at home.