Shrimp Scampi with Orzo

Name: Shrimp Scampi with Orzo
Ingredients: 1 tablespoon olive oil; 1 teaspoon lemon zest; 1 teaspoon lemon juice; 1 pinch red pepper flakes; 0.5 teaspoon dried parsley; 0.5 pound uncooked medium shrimp, peeled and deveined; 1 tablespoon butter; 0.75 cup orzo; 0.5 cup finely diced onion; 1 large clove garlic, minced; 0.25 cup white wine; 1.25 cups low-sodium chicken broth; 0.5 teaspoon salt; 0.5 teaspoon freshly ground black pepper; 0.5 cup frozen peas, defrosted; 0.5 tablespoon chopped fresh parsley; 2 lemon slices