Preheat the oven to 400°F. Spray a 9x13 pan with nonstick spray.
Cook pasta as directed; drain, rinse and spread out along bottom of prepared pan.
Heat oil in a large sauté pan over medium heat. Add minced garlic and sauté 30 seconds. Add tomatoes and ¼ cup parsley, reduce heat, and simmer 10 minutes. Add shrimp; cover and cook for 5 minutes. Scoop mixture on top of pasta in dish, and sprinkle with feta cheese.
Bake for 10 minutes. Sprinkle with ¼ cup parsley and lemon juice. Add salt and freshly ground pepper to taste.