Turn your oven to 425°F (220°C).
This high heat is very important.
It creates that perfect caramelization.
Let the oven heat completely before baking.
Wash all your vegetables thoroughly.
Cut them into similar-sized pieces.
This ensures even cooking throughout.
Aim for 1-inch chunks roughly.
Put vegetables in your large bowl.
Drizzle olive oil over them generously.
Add salt and pepper evenly.
Toss everything together until well coated.
Make sure every piece gets seasoning.
Spread vegetables in a single layer.
Don't overcrowd the pan at all.
Leave space between each piece.
Crowded vegetables steam instead of roasting.
Place pan in the hot oven.
Roast for 35 to 40 minutes.
Flip vegetables halfway through cooking time.
They should be golden and tender.
Remove from oven when done.
Add fresh herbs if you like.
Serve immediately while still hot.
Enjoy the delicious caramelized flavors.