1. Place first 4 ingredients in a food processor, and process until finely ground. Place cracker mixture in a shallow dish.
2. Place milk in a separate shallow dish. Dip fillets in milk; dredge in cracker mixture. Coat fillets with cooking spray.
3. Heat 1 teaspoon oil in a large nonstick skillet over medium-high heat. Add 1 fillet; cook 2 to 3 minutes on each side or until fish flakes easily when tested with a fork. Remove fillet from pan, keep warm. Repeat procedure with remaining 1 teaspoon oil and fillet. Serve with lemon wedges.