Amazing Roasted Vegetable Soup: 4 Simple Steps

November 15, 2025
Written By Eleanor Vance

Eleanor "Ellie" Vance is the heart and soul behind DeliceRecipe.com, dedicated to bringing deliciously easy recipes to every American home. Growing up with a rich tapestry of culinary influences from her grandmother's European traditions and her mother's American classics, Ellie developed a profound love for cooking and sharing food. After a successful career in marketing and communications, she channeled her passion and professional skills into creating DeliceRecipe. Her mission is to demystify cooking, making it an enjoyable and accessible experience for home cooks of all skill levels. Ellie meticulously develops and tests every recipe, ensuring they are not only bursting with flavor but also simple to follow using everyday ingredients. She believes that delicious meals shouldn't be complicated, and her approachable style and practical tips have made her a trusted culinary guide for countless American families.

There’s just something magical about soup when the weather gets a little chilly, right? It’s like a warm hug in a bowl! And when you can get a super deep, rich flavor just by doing a little chopping and letting the oven do the heavy lifting? Even better. This roasted vegetable soup is exactly that. We’re talking about taking simple veggies, roasting them on a sheet pan until they’re wonderfully sweet and caramelized, and then blending it all up into the creamiest, dreamiest soup you’ve ever had. No heavy cream needed, just pure veggie goodness! It’s the kind of cozy comfort food that feels totally effortless, and honestly, that’s exactly how Ellie likes to keep things in her kitchen. Simple, reliable, and absolutely delicious.

Why You’ll Love This Roasted Vegetable Soup

Seriously, this soup is a game-changer. If you’re looking for that perfect bowl of cozy comfort food that tastes like you spent hours slaving away (but you totally didn’t!), this is it. Here’s why you’ll be making this creamy veggie soup again and again:

  • Incredible Flavor: Roasting the vegetables brings out their natural sweetness and creates a depth of flavor you just can’t get from boiling. Those little caramelized bits? Pure gold!
  • Super Creamy, No Dairy Needed: We blend everything up until it’s silky smooth. You get that luscious, creamy texture without any heavy cream, making it lighter and completely dairy-optional.
  • Effortless Prep: Most of the work is done by your oven on a sheet pan. Chop, roast, blend – it’s honestly that simple.
  • Perfect for Meal Prep: This soup chills and freezes like a dream, making it your new best friend for quick lunches or dinners throughout the week.
  • Totally Adaptable: Don’t have carrots? Swap ’em out! Use whatever veggies you have on hand. This recipe is super forgiving.

Gather Your Ingredients for Roasted Vegetable Soup

Alright, let’s get our mise en place ready for this amazing roasted vegetable soup! You really can toss in pretty much any veggie you love, but this combo is a fantastic starting point. Trust me, the way these guys caramelize on the sheet pan makes all the difference. Here’s what you’ll want:

  • About 2 pounds of mixed vegetables: This could be carrots (peeled and roughly chopped), sweet potatoes (peeled and cubed), bell peppers (seeded and chopped), a good-sized yellow onion (chopped), and a whole head of garlic (don’t be scared, it gets so sweet!).
  • 2 tablespoons of olive oil: Just enough to get everything nicely coated for roasting.
  • 1 teaspoon of salt, plus more to taste: Don’t skimp here, salt really brings out the flavors of roasted veggies.
  • 1/2 teaspoon of black pepper: Freshly ground is always best, if you have it!
  • 6 cups of vegetable broth: Use a good quality one, as it’s the base of our soup.
  • 1/4 cup of nutritional yeast (optional): This is my little secret for a subtle cheesy, umami flavor without any dairy. If you have it, use it!
  • 1/4 cup of unsweetened plant-based milk (optional): A splash of almond or oat milk (just make sure it’s unsweetened!) adds a touch more creaminess if you like it extra velvety.

See? Super straightforward stuff you probably already have hiding in your kitchen!

Step-by-Step Guide to Making Roasted Vegetable Soup

Alright, friend, get ready to make the most delicious roasted vegetable soup ever! It’s so simple, you’ll wonder why you haven’t been doing it all along. The secret is all in those gorgeous sheet-pan vegetables.

Prepare and Roast Your Vegetables

First things first, preheat your oven to a nice hot 400°F (200°C). Grab your mixed veggies – think carrots, sweet potatoes like these baked potatoes we love, bell peppers, onions, and garlic. Chop ’em up into roughly 1-inch pieces – don’t worry about them being perfectly uniform. Toss them all together on a big baking sheet with your olive oil, salt, and pepper. Spread them out so they can get all lovely and caramelized. Roast them for about 25-30 minutes, or until they’re tender and smell amazing. This step is key for that deep flavor in our roasted vegetable soup!

Simmer and Blend for a Creamy Texture

Once those veggies are perfectly roasted, carefully scoop them all into a big pot or Dutch oven. Pour in your vegetable broth and bring it all to a nice simmer. Now for the magic! If you have an immersion blender, just pop it right into the pot and blend until it’s super smooth and creamy. That’s the easiest way to get your creamy veggie soup! Or, if you’re using a regular blender, let the soup cool a bit first, then blend it in batches until smooth. Be careful when blending hot liquids!

Finishing Touches for Your Roasted Vegetable Soup

This is where we give our roasted vegetable soup that extra little something. Stir in the nutritional yeast and plant-based milk if you’re using them – they give it a lovely depth and richness. Just give it a gentle stir and heat it through until it’s warm, but please, don’t let it boil! We just want to warm it up nicely. Serve it piping hot and enjoy!

Tips for Success with Your Roasted Veggie Recipes

You know, mastering these roasted veggie recipes is all about a few little tricks I’ve picked up over the years. Ellie always says the best food is simple, but there’s a little bit of magic you can add! For this soup, really lean into the roasting. Don’t rush it; let those veggies get those beautiful caramelized edges. That’s where all the deep flavor comes from! And for creaminess, remember, it’s a texture thing. Blending it really well is key, but if you want it *extra* silky, a tiny splash of unsweetened plant milk or even just a bit more broth can help it along. Sometimes, I’ll even toss a sprig of rosemary or thyme in with the veggies while they roast to give it another layer of deliciousness. Remember our roasted garlic cowboy butter? Roasting veggies brings out that same kind of sweet, concentrated flavor!

Make-Ahead and Freezer Tips for Meal Prep Soup

Okay, let’s talk about making this delicious soup ahead of time, because honestly, that’s half the magic! This roasted vegetable soup is tailor-made for meal prep – it tastes even better the next day, and it freezes like a dream. It’s the perfect cozy fix for those busy weeknights when you just want something hearty and healthy on the table fast.

For storing it in the fridge, just make sure the soup has cooled down completely. Then, pop it into an airtight container. It should stay good for about 4 days. If you want to freeze it – which I highly recommend for stock-piling these amazing easy weeknight dinners – it’ll keep beautifully in the freezer for up to 3 months. Just thaw it overnight in the fridge before you plan to eat it and reheat it gently on the stovetop.

Frequently Asked Questions about Roasted Vegetable Soup

Got questions about this cozy bowl of goodness? I’ve got answers! Making this roasted vegetable soup is pretty straightforward, but here are a few things folks often wonder about:

Can I use different vegetables in this soup?

Absolutely! That’s one of the best parts of this recipe—it’s so forgiving. You can totally swap out the veggies. Think celery, parsnips, zucchini, or even some broccoli or cauliflower. Just make sure to chop them roughly the same size so they roast evenly. The heartier the vegetable, the more it’ll sweeten up in the oven!

How do I make it extra creamy without dairy?

Oh, this is my favorite part! The roasting and blending does most of the work, giving you that smooth, creamy texture naturally. But if you want *even more* creaminess for your dairy optional soup, a little drizzle of unsweetened plant-based milk (like almond or oat milk) at the end really does the trick. A tablespoon or two stirred in while it’s warming up makes it extra velvety. Sometimes, a spoonful of cashew butter blended in gives it a luscious feel too!

How long does this vegetarian soup last in the fridge or freezer?

This vegetarian soup is a meal prep superstar! Stored in an airtight container in the fridge, it’ll stay delicious for about 4 days. And for longer storage, it freezes incredibly well for up to 3 months. It’s perfect for making a big batch and having healthy, homemade soup ready to go whenever the craving strikes!

Can I add other flavors or herbs?

You bet! Roasting is always a good time to add some flavor boosters. Throw a sprig of rosemary or thyme onto the baking sheet with your veggies. You can also stir in a pinch of smoked paprika or a dash of curry powder at the end for a different vibe. For a little kick, a pinch of red pepper flakes is always fun!

Estimated Nutritional Information

Just a little heads-up, these nutritional numbers are estimates and can change a bit depending on the exact veggies you toss in and how much broth you use. But for a standard serving of this lovely roasted vegetable soup, you’re looking at roughly:

  • Calories: around 180
  • Fat: about 6g
  • Protein: around 5g
  • Carbohydrates: about 28g
  • Fiber: a great 7g!
  • Sodium: around 600mg (this can vary a lot based on your broth!)

It’s a nice, healthy way to get a good dose of veggies!

Share Your Cozy Comfort Food Creations

I just LOVE hearing about your kitchen adventures! Did you make this roasted vegetable soup? I’d be so thrilled if you shared your experience, any yummy variations you tried, or even snapped a pic to show it off! Drop a comment below and let us know how it turned out – your feedback helps everyone cook with confidence. You can also reach out through our contact page!

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Roasted Vegetable Soup

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A creamy, comforting blended soup made with deeply flavored roasted vegetables. This recipe is perfect for meal prep and can be made dairy-free.

  • Author: ellievance
  • Prep Time: 15 min
  • Cook Time: 30 min
  • Total Time: 45 min
  • Yield: 6 servings 1x
  • Category: Soup
  • Method: Roasting and Blending
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 2 lbs mixed vegetables (such as carrots, sweet potatoes, bell peppers, onion, garlic)
  • 2 tablespoons olive oil
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 6 cups vegetable broth
  • 1/4 cup nutritional yeast (optional, for cheesy flavor)
  • 1/4 cup unsweetened plant-based milk (optional, for extra creaminess)

Instructions

  1. Preheat your oven to 400°F (200°C).
  2. Chop your mixed vegetables into roughly 1-inch pieces.
  3. Toss the vegetables with olive oil, salt, and pepper on a large baking sheet.
  4. Roast for 25-30 minutes, or until tender and slightly caramelized.
  5. Transfer the roasted vegetables to a large pot or Dutch oven.
  6. Add the vegetable broth and bring to a simmer.
  7. Carefully blend the soup using an immersion blender until smooth. Alternatively, let the soup cool slightly and blend in batches in a regular blender.
  8. Stir in nutritional yeast and plant-based milk, if using.
  9. Heat gently until warmed through. Do not boil.
  10. Serve hot.

Notes

  • For batch cooking, let the soup cool completely before storing in airtight containers in the refrigerator for up to 4 days or in the freezer for up to 3 months.
  • Thaw frozen soup overnight in the refrigerator and reheat gently on the stovetop.
  • You can customize the vegetables based on what’s in season or what you have on hand.
  • For a richer flavor, you can add a sprig of rosemary or thyme to the vegetables while roasting.

Nutrition

  • Serving Size: 1.5 cups
  • Calories: 180
  • Sugar: 10g
  • Sodium: 600mg
  • Fat: 6g
  • Saturated Fat: 1g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 28g
  • Fiber: 7g
  • Protein: 5g
  • Cholesterol: 0mg

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