Spring Shrimp Scampi With Peas and Mint

Name: Spring Shrimp Scampi With Peas and Mint
Ingredients: 1 pound thin spaghetti; 3 tablespoons olive oil; 1 clove garlic , cut in half; 1 1/2 pounds large shrimp , peeled and deveined; 1/2 teaspoons salt , divided; 1/4 teaspoon black pepper; 1/2 teaspoon crushed red pepper , or more to taste; 1 cup ( 8 ounces) whole milk ricotta; 3 tablespoons fresh parsley , chopped; Grated zest from 1 lemon; 1 1/2 cups (8 ounces) frozen peas , rinsed with cold water to defrost; 2 tablespoons fresh whole mint leaves