Vegan Roasted Butternut Squash & Leek Soup

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I love pumpkin as my previous couple of posts have shown, but I think I like another source of carotenoids even more. I’m not talking about sweet potatoes, even though I love those year-round too, I am talking about butternut squash! It is great roasted because you can eat it by itself, on a salad, on pizza, or even in an omelet, but soup just hits the spot as the weather gets cooler, which is where this vegan roasted butternut squash soup recipe comes in.

roasted buttternut squash soup vegan

Making Creamy Butternut Squash Soup Without Dairy

Many butternut squash soups get their creaminess from cream and butter. However, this dairy-free butternut squash achieves that same creamy texture with a couple of simple tricks, including one of my favorite kitchen tools: the immersion blender! Immersion blenders are seriously a game changer when it comes to vegan cooking because they are a simple way to achieve that creamy texture you crave in everything from soups to chilis to sauces.

Even if you do enjoy a good cream-based soup, you may find that you like this version even better since without the dairy, there’s even more room for butternut squash’s great flavor to come through. In this recipe, I compliment that flavor with garlic, leeks, rosemary, vegetable broth, and butternut squash seed oil (no worries if you can’t find this — it can easily be subbed for olive oil).

Roasted Butternut Squash Seed Oil

A couple of products I believe really make this soup great are the oil and broth. I recently picked up Roasted Butternut Squash Seed Oil from the Tubby Olive here in Newtown. Tubby is an awesome local business that sells specialty olive oils and vinegars and chances are there is a similar local store near where you live. Specialty olive oils are “in” right now so the stores are popping up all over the US.

Back to this particular oil though — I hesitated to buy the full size when we were there thinking I wouldn’t get enough use out of it but I can use it with pretty much every single fall recipe I make! It was a perfect compliment to this soup but I have also used it with roasted brussels sprouts and onions, in quinoa, and just on salads with the Fall Blend Balsamic I picked up there too.

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My Favorite Vegetable Broth

Now for the broth. I have been using Trader Joe’s brand low sodium, organic vegetable broth for years now. It is very substantial and hearty. No other low sodium veg broth that I have purchased compares, as other brands typically are extremely watery. I will be honest, I hardly ever have time to make my own broth!! This one clocks in at 140 mg per cup. That means less in the entire container than in 1 cup of Swanson brand original!

Butternut Squash Soup Nutrition

Each 1 cup serving of butternut squash you eat provides 4x your Vitamin A needs for the day as well as half of your needs for vitamin C! You’ll even get Vitamins E and some B vitamins from this nutrient powerhouse as well as good amounts of magnesium and potassium. The phytochemical carotenoids & bioflavonoids in butternut squash are known to boost immunity and work as antioxidants that support the hearth, eyes and even work to prevent some cancers.

Garlic & leeks are part of the same family, providing the phytochemicals allicin and sulfides which are linked to improved immunity and respiratory health. Both onions & leeks provide Vitamin C. Onions are also a great source of vitamins B6 and folate while leeks contribute vitamins A & K in great amounts as well as the mineral manganese.

Rosemary contains carnosol which has been found in studies to be an anti-bacterial and anti-inflammatory compound and carnosic acid that has neuro-protective (brain & nervous system protective) properties. Some studies show it can aid the GI tract too and as an oil, it has also been used for centuries to improve circulation! Per weight it has a high content of nutrients but since we consume small amounts of it, it provides a little folate, riboflavin, and vitamins A & C as well as the minerals iron, calcium and potassium.

Vegan Roasted Butternut Squash Soup with Leeks (Vegan, Gluten-Free)

spiced butternut squash leek soup

Snack on some of the roasted seeds on the side and you’ve got a nice nutrient-packed snack, side, or appetizer. Happy fall!

vegan butternut squash soup

Vegan Roasted Butternut Squash & Leek Soup

This roasted butternut squash soup is packed with the flavors, nutrients, and creaminess you crave. Grab a bowl and get cozy!
Prep Time 5 mins
Cook Time 45 mins
Course Soup
Cuisine American

Ingredients
  

  • 1 tbsp butternut squash seed oil (or olive oil)
  • 3 cloves garlic, minced
  • 1 2-3 lb butternut squash
  • 2 small leeks
  • 1 tbsp fresh rosemary, chopped (or 1/2 tbsp dried)
  • 4 cups low-sodium vegetable broth
  • 1/2 tsp fresh oregano (or 1/4 tsp dried)
  • 1/4 tsp cayenne pepper (optional)
  • 1/4 tsp cinnamon
  • dash of ground nutmeg
  • fresh black ground pepper to taste

Instructions
 

  • First, heat oven to 350 degrees F to bake the squash. I typically do this when prepping for the week ahead but you can do it the day of too. Carefully cut the squash in half and then scoop out the seeds. Save them and rinse pulp off to roast the seeds. Rub a very small amount of oil on the surface of the squash and bake face down on a baking sheet or in a glass baking dish for 30-40 minutes, until tender.
  • While the squash is baking, mince your garlic, dice the leeks and cut the rosemary.
  • Over low-medium heat, add the oil, let heat and then add the garlic. Let cook 1-2 minutes.
  • Next, add the leeks, stir well, and cover for 3-4 minutes.
  • Add the butternut squash, rosemary, and other spices and stir. Immediately add the vegetable broth, cover and let come to a boil.
  • Reduce heat once the soup comes to a boil, and get out your immersion blender*. Pulse the blender on medium until the soup has a creamy consistency. Turn the heat off and you’re done!
    *If you don’t have an immersion blender, you can add the mixture to a blender or food processor, but I recommend letting it cool before doing so, and then heating the soup back up to serve.
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