- In 4-quart saucepan over high heat, heat salted water and potatoes to boiling. Reduce heat to low; simmer uncovered 20 minutes until potatoes are tender. Drain well.
- Meanwhile, in small saucepan over high heat, heat DairyPure Half-and-Half and garlic cloves just to boiling. Simmer uncovered 15 minutes until garlic is just soft.
- In small skillet over medium heat, melt butter; add leeks. Cook 5 to 8 minutes until leeks are tender, stirring occasionally.
- In large bowl, mash potatoes with garlic-milk mixture, leeks, salt and pepper until well blended and smooth.