1. In a small bowl, stir together garlic, lemon zest and juice, Dijon and chopped parsley. Slowly whisk in olive oil; set aside.
2. Sprinkle tilapia with lemon-herb seasoning. Heat large nonstick skillet over medium-high heat. Spritz both sides of tilapia with nonstick cooking spray and place in skillet. Cook 3 to 4 minutes per side or until fish flakes easily with a fork. Remove fish from skillet to a serving platter.
3. In a large bowl, toss together arugula and parsley leaves; drizzle with prepared dressing and serve with tilapia and lemon wedges, if desired.
Servings Per Recipe: 4; Amount Per Serving: cal.(kcal): 215, Fat, total(g): 7, chol.(mg): 85, sat. fat(g): 2, carb.(g): 4, fiber(g): 2, pro.(g): 36, sodium(mg): 190, Percent Daily Values are based on a 2,000 calorie diet.