Cook potatoes in boiling water on the stove until fork tender (about 12 minutes). Drain and rinse with cool water. Cut the potatoes into quarters. Place in a large bowl and set aside.
Prepare honey mustard dressing - In a small bowl, mix together all ingredients listed above. Set aside.
Chop the green onions and cooked bacon.
In a large bowl, gently fold together the potatoes, bacon, and green onions. Add in the honey mustard and combine until everything is well-coated.
Season with salt to taste (about 1/4 teaspoon).
Cover and place in the refrigerator for about an hour so everything gets chilled.
This can be made ahead of time and stored in the fridge overnight!