What you need:
3 tablespoons good olive oil
1 1/4 teaspoons kosher salt
1/2 teaspoon ground pepper
1 tablespoons minced fresh dill or flat-leaf parsley
Preheat oven to 400 degrees
If the carrots are thick, cut them in half lengthwise. If not, leave them whole.
Slice the carrots diagonally into 1 1/2 inch thick slices.
Toss them in a bowl with the olive oil, salt, and pepper.
Place on a baking sheet in one layer and roast them in the oven for 20 minutes.
Toss the carrots with minced dill or parsley, season to taste, and serve!