how long to roast carrots
1 (The carrots will shrink while cooking so make the slices big.) Toss them in a bowl with the olive oil, salt, and pepper. 2  Transfer to a sheet pan in 1 layer and roast in the oven for 20 minutes, until browned and tender. 3  Toss the carrots with minced dill or parsley, season to taste, and serve.