3 linguine cockles sauce Recipes

extra-virgin olive oil, onion, chopped, garlic cloves, finely chopped, dried hot red pepper flakes, dried oregano, dry white wine, bottled clam juice, linguine, cockles (up to 1 inch across; 5 to 6 dozen), scrubbed well, cold unsalted butter, cut into small pieces, chopped fresh flat-leaf parsley, accompaniments: extra-virgin olive oil for drizzling ; dried hot red pepper flakes

littleneck clams or cockles, dry white wine, shallots, peeled, garlic, peeled and thinly sliced, bay leaves, fresh lemon juice, unsalted butter, ripe tomatoes , cut into 1/2-inch pieces, fresh tarragon (stems removed), chopped, dried linguine, chopped flat-leaf parsley