total time: 9 minutes
Cook pasta according to package directions, omitting salt and fat.
While pasta cooks, coat a large nonstick skillet with cooking spray, and add oil. Place over medium-high heat until hot. Sprinkle blackening seasoning evenly over shrimp. Add shrimp to skillet; cook 2 minutes on each side or until shrimp turn pink. Stir in lemon juice. Add tomatoes and pepper; cook until thoroughly heated.
Spoon shrimp mixture over drained pasta, and serve immediately.
Cooking Light 5-Ingredient 15-Minute Cookbook