How to Make It
Bring potatoes and water to cover to a boil. Cook 25 to 30 minutes or just until tender; drain and cool. Cut potatoes into quarters.
Whisk together vinegar, oil, dill, salt, and pepper. Pour over warm potatoes.
Stir in chopped bell pepper, cucumber, and green onions; add cheese, and toss to combine. Cover and chill at least 2 hours.