Combine the first 5 ingredients in a blender; cover and process until smooth. Set mixture aside.
Combine lemon juice and next 3 ingredients in a shallow dish; dip fillets in lemon juice mixture, and dredge in bread crumbs. Place on a baking sheet coated with cooking spray. Bake at 450 degrees F for 7 minutes; turn fillets over, and bake an additional 7 minutes or until fish flakes easily when tested with a fork. Transfer fillets to a serving platter, and top with avocado sauce.
Alternate Fish: jumbo cod, orange roughy, grouper.
