Caribbean Potato Salad

INGREDIENTS:
3 sm-med russet potatoes
3 med sweet potatoes
1 cup frozen corn
1 cucumber, diced bite-size
1 sm. can pineapple chunks
1/2 red onion, diced
1/4 cup finely chopped peanuts

DRESSING
2 tbs deli mustard
3 tbs fresh lime juice
2 tbs chopped fresh cilantro
2 cloves garlic, minced
1/3 cup olive oil
1 tsp salt
1 tsp ground black pepper