General Roasting Times for Vegetables

Cooking times are for roasting vegetables at 425F.

Root vegetables (beets, potatoes, carrots) 30 to 45 minutes, depending on how small you cut them
Winter squash (butternut squash, acorn squash) 20 to 60 minutes, depending on how small you cut them
Crucifers (broccoli, cauliflower, Brussels sprouts) 15 to 25 minutes
Soft vegetables (zucchini, summer squash, bell peppers) 10 to 20 minutes
Thin vegetables (asparagus, green beans) 10 to 20 minutes
Onions 30 to 45 minutes, depending on how crispy you like them
Tomatoes 15 to 20 minutes
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