Let’s dive into the cooking process with clear, simple steps:

1. Preheat your oven to 400°F (200°C) and line a large baking sheet with parchment paper for easy cleanup.
2. In a large bowl, toss the carrots, parsnips, sweet potato, and red onion with olive oil, salt, and pepper. Make sure each piece is well-coated.
3. Spread the vegetables in a single layer on the prepared baking sheet. Roast in the preheated oven for 25-30 minutes, or until the vegetables are tender and slightly caramelized around the edges.
4. While the vegetables are roasting, prepare the herb butter. In a small bowl, combine the softened butter, thyme, rosemary, parsley, and minced garlic. Mix until well blended.
5. Once the vegetables are done, remove them from the oven and immediately toss with the herb butter, ensuring every piece is coated. If you’re using honey, drizzle it over the vegetables at this stage.
6. Serve warm and enjoy the delightful combination of textures and flavors!

Roasting is one of my favorite cooking techniques because it’s so forgiving. The key is to ensure your vegetables are cut into similar sizes, so they cook evenly. Remember, cooking should be joyful, not stressful!