Steps
1. Preheat the oven to 200°C (400°F).
2. Toss the halved baby potatoes and quartered radishes with olive oil, salt, and pepper.
3. Spread the vegetables on a baking sheet in a single layer.
4. Roast for 25-30 minutes, turning halfway through, until potatoes are golden and radishes are tender.
5. Meanwhile, mix parsley, lemon juice, Dijon mustard, and minced garlic in a small bowl.
6. Once roasted, transfer the potatoes and radishes to a serving bowl.
7. Drizzle the herb dressing over the warm vegetables and toss gently to combine.
8. Serve immediately.