A Modern Version of an Ancient Paella: Saffron Rice with Chicken Shrimp Stringbeans and Snails

Name: A Modern Version of an Ancient Paella: Saffron Rice with Chicken, Shrimp, Stringbeans, and Snails
Ingredients: 1/2 pound medium-size shrimp (about 12); Salt; 1/2 teaspoon freshly ground coarse black pepper; 1 tablespoon Spanish extra-virgin olive oil; 2 large chicken thighs, boned, each cut in quarters; 2 ounces chorizo, sliced thin; 2 large shallots, chopped; 3 medium cloves garlic, chopped; 2 ounces string beans, cut in 1/2-inch lengths; 1 cup Spanish short-grained rice (or use Italian short-grained rice); 1/2 cup very finely minced fresh parsley leaves; 2 cups rich chicken stock; 1/2 teaspoon saffron threads; 1 teaspoon sweet Spanish paprika; 12 large canned snails; 1 large red pepper, roasted, peeled and seeded (optional)