6 large sweet potatoes, peeled and diced
4 large baking potatoes, peeled and diced
1/2 cup mayonnaise
1/4 cup Dijon mustard
1/3 cup balsamic vinegar
1 teaspoon ground turmeric
1 tablespoon chopped chives
salt and ground black pepper to taste
2 slices crisply cooked bacon, crumbled
2 green onions, finely chopped
1 red onion, finely chopped