In medium saucepan, add potatoes and cover with water. Bring to a boil over high heat. Reduce heat to low and simmer 20 minutes or until potatoes are very tender; drain.
In same saucepan, melt Becel® Buttery Taste margarine over medium heat and cook garlic, stirring, 1 minute or until fragrant.
Return potatoes to saucepan; mash. Stir in remaining ingredients.