Place potatoes on a baking sheet. Drizzle with olive oil and season with salt and pepper. Roast in preheated oven for 12-15 minutes or until potatoes are tender and lightly golden.
Transfer potatoes to a large bowl. Add onion and garlic and mix together.
In a small bowl, whisk together balsamic vinegar, extra-virgin olive oil, salt, and pepper.
Pour dressing over potato mixture and toss to coat.
Add arugula to the bowl and mix again. Serve immediately.
Interesting Facts
Arugula is an excellent source of Vitamin K, which helps to strengthen your bones.
Potatoes are a great source of fiber, Vitamin C, and potassium.
The vinaigrette dressing adds a nice acidity to the salad, making it a great accompaniment to grilled meats.