BRING 1-1/2 qt. water to boil in large saucepan. Add new potatoes; cook 3 min. Add sweet potatoes; cook 10 min. or until all potatoes are tender. Drain potatoes; place in large bowl. Cool.
MIX mayo, mustard, honey and pepper. Add to potatoes with remaining ingredients; mix lightly.
REFRIGERATE 1 hour.
