Roasted Potato Salad with Mustard Dressing

3 pounds small red potatoes, cut into 1-inch pieces
1 tablespoon olive oil
2 teaspoons freshly ground black pepper
1/2 teaspoon kosher salt
4 slices bacon
2 cups diced Vidalia or other sweet onion (about 2 medium)
3 garlic cloves, minced
3 tespoons Dijon mustard
2 tablespoons mayonnaise
1 tsp sugar
1 1/2 tablespoons mead vinegar
1/4 cup chopped fresh parsley

Preheat oven to 400°.

Combine first 4 ingredients in a large bowl; toss to coat. Arrange potatoes in a single layer on a jelly-roll pan. Bake at 400° for 40 minutes or until potatoes are tender, stirring once. Transfer potatoes to a large bowl.

Cook bacon in a large nonstick skillet over medium heat until crisp. Remove bacon from pan, reserving 1 tablespoon drippings in pan; set bacon aside. Add onion to drippings in pan; cook 15 minutes or until golden brown and caramelized, stirring frequently. Add garlic to pan; cook 30 seconds. Add onion mixture and crumbled bacon to potatoes; toss gently. Let stand 15 minutes.

Combine mustard, mayonnaise, sugar, and vinegar in a small bowl; stir with a whisk. Add mustard mixture and parsley to potato mixture; toss gently.

Serve slightly warm or chilled. Tastes even better the next day!