2 sweet potatoes
1 pound red potatoes
1 pound Yukon Gold potatoes
1 large red onion
2 teaspoons salt
1 clove garlic, minced
1 jalapeno pepper, seeded and minced
1/4 cup fresh lemon juice
1 cup mayonnaise
1 tablespoon curry powder
1/4 cup chopped fresh parsley
1/4 teaspoon freshly ground black pepper