Make It
Step 1
Combine avocado, butter, 1 tablespoon lemon juice, seasoning sauce and garlic powder in a small bowl; fold in sliced green onions. Cover and refrigerate until ready to serve.
Step 2
Combine soy sauce, oil, remaining 2 tablespoons lemon juice, lemon peel, garlic and mustard in a gallon-size resealable plastic bag; blend mixture with fingers.
Step 3
Add fish cubes to bag. Seal bag and place in the refrigerator to marinate for 1 to 3 hours.
Step 4
Thread fish onto 4 skewers. Discard marinade.
Step 5
Preheat grill or broiler.
Step 6
Grill or broil fish, turning over halfway through cooktime, for 4 minutes or until fish flakes easily when tested with a fork. Serve with Avocado Butter.
If you are using wooden skewers, soak in water for 30 minutes before threading.
