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How To Cook Roast Vegetables

On this page we learn how to cook roast vegetables so that they're moist, sweet and naturally caramelized.

There is a secret to how to cook them to perfection...read on.


learn how to roast vegetables
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How to Cook Roast Vegetables


The three secrets to a good roast are:

  1. oiling and seasoning the vegetables thoroughly before roasting
  2. cut them up into appropriate sizes, with the ones that take longest to roast, in smaller chunks and the softest ones, in larger sizes
  3. leaving lots of room between the chunks of veg so that they are able to roast evenly and the hot air in the oven can circulate easily




roasting tray with onions and pumpkin ready for roasting


I cooked these roast veg for my son's birthday dinner. He just loves a full roast dinner and I made a roast leg of lamb in a garlic, soy and honey marinade together with loads of roast vegetables including potatoes, pumpkin, onions and capsicum.


how to cook roast lamb and roast vegetables
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Cook Roast Vegetables as sides for 6 serves


You'll need:

  • 6 large potatoes
  • 1/2 about 1 pound/500 gm butternut squash/ pumpkin
  • 3 large onions
  • 2 large red bell peppers/capsicums
  • 2 sprigs of spring onions, diced
  • 5 cloves garlic, diced very finely
  • A good quality vegetable oil - I use rice bran oil
  • salt and pepper to taste


Here's how to roast the vegetables:

Preheat the oven to 430F/220C

Peel, wash and cut up the veg so that the potatoes, which take the longest to cook are in smaller chunks than the pumpkin and peppers.

Place the longest cooking veg in one roasting pan - that's the potatoes

Place the pumpkin and onions in with the red bell peppers

Pour oil over and season generously with garlic, spring onions, salt and pepper. Use your hands to move all the veg around so that they are all nicely coated with oil and seasoning.

Bake the potatoes for 45 minutes and  cook the softer vegetables for 30 minutes.


As with all roasts, let it rest for 5 - 10 minutes before serving.




sweet roasted onions and red bell peppers


You'll find when you cook pumpkin, onions and peppers in a roasting pan, they caramelize beautifully and roasting brings out their natural sweetness.

Remember though, to cook the veg evenly,  allow lots of room in the roasting pan, so it's better to use two pans rather than heap them all into one pan.




Leave How To Cook Roast Vegetables to browse through this site for hundreds of easy recipes for delicious meal plans.





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