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As soon as fall arrives, I start looking for recipes that feel like the holidays are getting closer, and this Roasted Butternut Squash Soup on the Big Green Egg is one of my favorites. It is rich, creamy, and packed with deep roasted flavor, making it the perfect starter for Thanksgiving dinner, Christmas gatherings, or any cool-weather weekend meal.
This recipe actually started with a jumbo butternut squash growing in my garden. The moment I picked it, I knew it deserved something better than a simple side dish. Roasting it on the Big Green Egg adds a subtle smoky depth that takes a classic butternut squash soup and makes it feel much more special.
The natural sweetness of the squash, combined with the live-fire flavor from the Egg, creates a soup that feels both comforting and elevated. It is the kind of dish that works just as well for a holiday table as it does for a quiet fall dinner at home.
Now sit back, pour yourself a glass of Riesling, fire up the Big Green Egg, and get ready for one of the best holiday soup recipes you can make all season.
Table of Contents
- Preparing the Butternut Squash
- Prepping the Aromatics
- Big Green Egg Setup and Preheating the Dutch Oven
- Starting the Soup in the Dutch Oven
- Adding the Seasoning
- Adding the Squash and Aromatics
- Adding the Stock and Simmering
- Blending the Soup
- Serving the Butternut Squash Soup
- Make Ahead and Leftovers
- Roasted Butternut Squash Soup on the Big Green Egg Recipe
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Preparing the Butternut Squash
This 3½-pound butternut squash was waiting for me in the garden, and it was the perfect excuse to make soup on the Big Green Egg. Fresh fall squash always feels like the start of holiday cooking season, and this one was too good not to turn into something special.
Start by peeling the butternut squash and cutting it into manageable sections. Remove the seeds and stringy center, then dice the squash into evenly sized cubes. Keeping the pieces fairly uniform helps everything roast evenly and makes blending the soup much easier later.
This step takes a little knife work, but it is worth it. Good soup starts with properly prepped vegetables, and fresh butternut squash brings far better flavor than anything pre-cut from the store.
Prepping the Aromatics
Next, dice one whole yellow onion. This helps build the savory base of the soup and keeps the butternut squash from becoming overly sweet. Try to keep the pieces fairly even so they roast and soften at the same pace.
Then, mince the fresh garlic, grate the ginger, and roughly chop your fresh herbs. I like using sage and thyme here because they bring that classic fall and holiday flavor that works perfectly with roasted squash. The garlic adds depth, while the herbs give the soup a warm, earthy finish.
Since everything will be blended later, the cuts do not need to be perfect. A rough chop is completely fine. The goal is simply to get everything ready so the flavors roast together and build a rich, balanced soup on the Big Green Egg.
Big Green Egg Setup and Preheating the Dutch Oven
Set up your Big Green Egg for indirect cooking using the Big Green Egg convEGGtor and preheat the grill to 375°F. This indirect setup is perfect for soup because it gives you steady, even heat without exposing the Dutch oven to direct flame.
As the Egg comes up to temperature, place a cast iron Dutch oven inside so it can preheat along with the grill. Starting with a hot Dutch oven helps the onions, garlic, ginger, and squash begin cooking immediately and builds better flavor from the start.
Using the Dutch oven on the Big Green Egg adds a subtle smoky depth you simply do not get on the stovetop. It is one of the easiest ways to turn a classic butternut squash soup into something worthy of your holiday table.
Starting the Soup in the Dutch Oven
Once the Big Green Egg is fully preheated and the Dutch oven is hot, add the olive oil followed by the diced yellow onion. Starting with the onions first helps build the flavor base for the entire soup.
Let the onions cook for several minutes, stirring occasionally, until they begin to soften and turn slightly translucent. You are not looking for heavy browning here—just enough time for them to release their sweetness and start building that rich, savory foundation. This simple first step makes a big difference because good soup always starts with a strong base of aromatics before the squash and stock ever go in.
Adding the Seasoning
Once the onions have softened, add 2 tablespoons of Dizzy Pig Pineapple Head seasoning and stir well to coat the onions evenly.
This seasoning brings a slightly sweet, warm flavor profile that works surprisingly well with butternut squash. It adds depth without making the soup taste overly spiced, and the subtle fruit notes pair nicely with the natural sweetness of the squash.
Let the seasoning cook with the onions for a minute or two so the flavors can bloom before adding the rest of the ingredients. This helps the spices settle into the base of the soup instead of just floating on top later.
Adding the Squash and Aromatics
Once the onions are soft and translucent, add the diced butternut squash to the Dutch oven and stir well so the squash gets coated in the oil, onions, and seasoning.
Next, add the chopped herbs, minced garlic, and fresh ginger. I like using sage and thyme here because they bring that classic fall flavor, while the garlic and ginger add warmth and depth that make the soup feel even richer.
Stir everything together well so all of the ingredients are fully combined. As the squash starts to cook and the herbs hit the heat, the aroma coming off the Big Green Egg is exactly what fall cooking should smell like.
Adding the Stock and Simmering
Next, pour in the vegetable stock and stir well to combine everything. The stock brings the soup together and helps the roasted squash, onions, herbs, garlic, and ginger turn into that rich, silky final texture.
Make sure the squash is mostly covered by the liquid so it cooks evenly. Once everything is mixed, place the lid on the Dutch oven and let it cook on the Big Green Egg for about 30 to 40 minutes.
During this time, the butternut squash will soften, the aromatics will fully develop, and all of those fall flavors will come together. You will know it is ready when the squash is fork tender and easily breaks apart with very little resistance. This is the stage where the soup really starts to smell like the holidays.
Blending the Soup
Once the butternut squash is fully tender, it is time to turn everything into soup. Using an immersion hand blender, carefully blend the ingredients directly in the Dutch oven until the soup becomes smooth and creamy.
Take your time here and blend thoroughly so there are no large chunks left behind. The goal is a rich, silky purée with a smooth texture that feels perfect for a holiday starter or cozy fall dinner.
If you do not have an immersion blender, a regular countertop blender works just as well. Just work in batches and be careful with the hot liquid. Blend each batch until smooth, then return everything to the Dutch oven. This is the step where it finally transforms from roasted vegetables into a true butternut squash soup.
Serving the Butternut Squash Soup
Once the soup is smooth and creamy, ladle it into warm bowls and get ready for the best part… serving it up.
For garnish, I like to top each bowl with roasted pumpkin seeds for a little crunch and a drizzle of sriracha for just enough heat. The pumpkin seeds add texture, while the sriracha cuts through the richness of the soup and gives it a nice finishing kick.
You can also add a little extra fresh thyme or a light swirl of cream if you want to dress it up for a holiday table. It is a simple soup, but the right garnish makes it feel much more special.
This is the kind of dish that works perfectly as a Thanksgiving starter, a Christmas dinner first course, or even a simple weeknight fall dinner with some good crusty bread on the side.
Make Ahead and Leftovers
One of the best things about this roasted butternut squash soup is that it is even better the next day. The flavors continue to come together overnight, which makes it a perfect make-ahead recipe for Thanksgiving, Christmas, or any holiday gathering.
You can make the entire soup a day or two in advance, let it cool completely, and store it covered in the refrigerator. When you are ready to serve, simply reheat it slowly on the stovetop or back in the Dutch oven on the Big Green Egg until warm.
Leftovers will keep well in the refrigerator for up to one week, making this a great option for easy lunches or quick fall dinners during the week.
If the soup thickens too much after chilling, just stir in a little extra vegetable stock while reheating to bring it back to the perfect consistency. Simple, easy, and honestly even better the next day.
Roasted Butternut Squash Soup on the Big Green Egg
Equipment
- Cast Iron Dutch Oven
Ingredients
- 2 tbsp extra-virgin olive oil
- 1 large yellow onion, chopped
- ½ tsp sea salt
- 3 pounds butternut squash, peeled, seeded, and cubed
- 3 garlic cloves, chopped
- 1 tbsp fresh sage, chopped
- ½ tbsp fresh rosemary, minced
- 1 tsp fresh ginger, grated
- 32 oz vegetable stock
- 2 tbsp Dizzy Pig Pineapple Head seasoning
Instructions
- Setup the Big Green Egg for indirect cooking using ConvEGGtor and preheat to 375°F.
- Heat the oil in a cast iron Dutch oven preheated on your Big Green Egg. Add the onion, salt, and Dizzy Pig Pineapple Head then sauté until soft. Add the squash and cook until it begins to soften, stirring occasionally, for 8 to 10 minutes.
- Add the garlic, sage, rosemary, and ginger. Stir and cook until fragrant, then add the vegetable stock, cover, and cook until the squash is tender, 30-40 minutes.
- When the squash is tender use a hand blender (or regular blender in batches) to puree soup until smooth.
- Serve with roasted pumpkin seeds and some sriracha sauce.
Nutrition information is automatically calculated, so should only be used as an approximation.
