Bacon and cheddar mashed potatoes

1 1/2 pounds potatoes (about 4 medium potatoes), unpeeled, quartered
1/2 cup milk
1/2 cup MIRACLE WHIP Salad Dressing
6 slices OSCAR MAYER Bacon, crisply cooked, crumbled
1/4 teaspoon garlic powder
salt and pepper
1 cup KRAFT Shredded Mild Cheddar Cheese

1.Cover potatoes with water in large saucepan. Bring to boil; reduce heat to medium. Cook 20 minutes or until tender. Drain.
2.Mash potatoes. Add milk, salad dressing, bacon and garlic powder; beat until fluffy. Season to taste with salt and pepper. Stir in cheese.