Jumbo Shrimp with Chorizo, Manchego Polenta & Salsa Verde

Name: Jumbo Shrimp with Chorizo, Manchego Polenta & Salsa Verde
Cuisine: Mediterranean
Ingredients: 5 medium tomatillos; 2 serrano peppers; ½ small red onion, diced; ¼ teaspoon lemon zest; ¼ teaspoon salt; 1 teaspoon water; 1 tablespoon olive oil; ¾ lb raw, whole chorizo sausage; 1 lb jumbo shrimp, cleaned and tail-on (see Kayla’s notes); salt and pepper; ½ lemon; 4 cups water; 1 cup polenta; 4 oz shredded manchego cheese; 2 tablespoons unsalted butter; ¼ teaspoon pepper