Microwave mixed vegetables in pouch on HIGH for 2 to 3 minutes or until thawed.
Meanwhile, melt margarine in large skillet over medium-high heat. Add potatoes; toss to coat with margarine. Cover; cook 5 minutes, stirring once.
Add onions and thawed mixed vegetables; cover and cook 5 to 7 minutes or until crisp-tender, stirring once.
Reduce heat to medium-low. Add half-and-half, basil, salt and pepper; mix well. Gently stir in salmon chunks. Cook 2 to 3 minutes or until thoroughly heated, stirring occasionally. DO NOT BOIL.