How To Cook Vegetable Stock

by Jacob Burton on May 23, 2008

Vegetable stock is being used more and more in restaurants and at home to meet the dietary needs of health conscious individuals, vegetarians and vegans. Vegetable stock is basically vegetables simmered in water, sometimes with the addition of wine. If this sounds simple and straightforward, it’s because it is. However, there are some guidelines to take into consideration before making your vegetable stock.

Vegetable Stock Guidelines

  • If you want to have a vegetable stock with a predominant flavor, a popular example being mushroom stock, add mostly mushrooms to your stock with smaller amounts complimentary vegetables (such as celery, carrots and onions), to help round out the flavors.
  • Adding a sachet containing fresh herbs and spices will help add depth of flavor to your vegetable stock.
  • Avoid using starchy vegetables such as potatoes or squash because they will make your stock cloudy. If a clear vegetable stock is not important for the application which you will be using it for, then starchy vegetables can be used at your discretion.
  • Try avoiding strong flavored vegetables such as brussel sprouts, broccoli, and beets. They will overpower the flavor of your stock and can give it off odors. Also, vegetables that readily release their colors such as the aforementioned beets can dye your stock an unappetizing color.
  • Avoid leafy green vegetables. When cooked for an extended period of time, their flavor and color structure break down making your vegetable stock a mucky army green and fairly unappetizing.
  • Some chefs prefer to sweat their vegetables in butter or oil first to help release some of their flavors. This step can be omitted if so desired. Obviously if this stock were to be used to make a vegan dish, butter should not be used, (along with any other animal product).
  • Cut you vegetables into a fine julienne or a medium dice. This will give your vegetables more surface area and allow their flavors to be more readily extracted.
  • Simmer for 30-45 minutes. This will allow the stock to cook long enough to extract the flavors without them starting to break down.

Great Vegetables for Vegetable Stock

  • Carrots
  • Celery
  • Onions (any color will do, or use a mix for more rounded flavors)
  • Shallots
  • Leeks: Use mostly the white part. Split lengthwise
  • Mushrooms
  • Parsnips

Note on Garlic: Garlic can add great flavor to your vegetable stock especially if you’re a raving garlic fan. In it’s raw state however, in can also add an unpleasant bitter bite to your stock. Roasting your garlic before adding it to your vegetable stock is one way to counteract this effect. Another is to first blanch your garlic.

Herbs Used For Vegetable Stocks

Note: When using herbs in vegetable stocks, they should always be fresh. Also consider that the amount and type of herbs you add will either add a background flavor, or if to much is used, can overpower the stock completely.

  • Basil
  • Thyme (classical favorite)
  • Tarragon
  • Parsley (classical favorite)
  • Cilantro (Careful, could very easily overpower your stock)
  • Rosemary (Can also overpower your stock if to much is used)
  • Chervil
  • Chives

Spices Used For Vegetable Stocks

  • Whole Peppercorns (black or white)
  • Cloves
  • Nutmeg
  • Cayenne (Use in very small amounts to help round out flavors)
  • Ginger (Preferable fresh ginger root)
  • Star Anise
  • For Experimentation: No one says that your vegetable stock has to be boring, bland or classical. Some non-traditional spices that you can experiment with (at your own risk) are fresh vanilla bean, cinnamon sticks, curry powder, and red pepper flakes. Be creative and have some fun.

For more information, listen to the Free Culinary School Podcast Episode 2 which talks all about culinary stocks.

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{ 4 comments… read them below or add one }

vawolf July 25, 2009 at 10:15 am

Jacob,

I love this podcast and website. I’ve started from episode 1 and am working my way through the courses. This course is inspiring me to fall in love with cooking again.

I made vegetable stock last night which smelled and tasted great. One thing I did was use a small amount of unsalted butter to sweat the vegetables. I didn’t let the pot boil, and simmered for 45 minutes. There really wasn’t anything to skim off the top. I double strained like you suggested which did wonders. Like I said, it tasted great, but it was a bit cloudy.

I’m a home cook/foodie and am trying to improve my skills. Should I have used water or white wine instead of the butter?

Also, if I want to make roasted vegetable stock, without the prior roasted bones step, could I use canola oil to coat the vegetables before roasting? Do I actually need an oil or fat or could I use water or wine?

Thanks

Jacob July 28, 2009 at 12:56 am

@ Vawolf,

I actually prefer to sweat my vegetables with a little bit of butter as well, although it could be the source of your cloudiness. If the simmer on your pot is too high, it could emulsify the fat from the butter back into the stock, which can cause it to become cloudy. Remember though, the clarity of a stock for the most part is purely visual, it won’t really affect the actual flavor. So if you’re not using it to make a consume or something visual like that, its not really an issue.

Canola is a great choice for roasting vegetables for a roasted vegetable stock because it has a high smoke point and is fairly neutral in flavor.

Sal October 29, 2009 at 1:07 pm

Jacob,
I’m 53 and enjoy cooking (Not for a career) so I’m starting Culinary School. Actually it’s the Walt Disney School of Hospitality and Culinary Arts at Valencia Community College in Florida. This site is Great, I’m so glad I found it, I’m hoping it will give me a little help before I go to College. Also, what do you think about my going to a local College as opposed to the big boys…CIA etc….
Thanks

Jacob Burton October 30, 2009 at 1:04 pm

@ Sal,

I really think that Culinary School is what you make it. Its a good opportunity to practice on product, pick the brains of professionals, and network with other like minded people.

Read a lot, ask a lot of questions, and make sure you participate in the FCS Forum so can share your new found knowledge.

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