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I can’t wait to share my Six (6!) Ingredient Creamy Roasted Tomato Soup with you all! This recipe is so warming and the perfect cozy meal for a fall or wintery day… or even just a day when you’re feeling under the weather or want something simple and delicious!

As promised, here is the second part of yesterday’s grilled cheese post – 6 ingredient creamy roasted tomato soup.
Because let’s be real, the reason you make tomato soup is to dip grilled cheese into it. Or at least that’s why I made my tomato soup, anyone else feel the same? As a kid, and even now as an adult, I never had much interest in tomato soup. My dad instilled in me that tomato soup is just no good. In fact, he said he hated tomato soup. Thing is…Dad’s memory of tomato soup is that of the canned kind from the 80’s that his mom would serve him at least once a week. He ate it so often that every time someone mentions tomato soup he looks away in disgust.
I wish I was kidding, but I’m being totally serious. My dad likes pretty much all food, just not tomato soup. This means, up until now, I’ve never had nor made tomato soup. But I started to think, I really need to give tomato soup a try. It’s summer and my house has a constant supply of flavorful tomatoes. I mean, how could a homemade tomato soup with plenty of basil and cheese be bad?
Answer? It’s delicious, and guess what…even Dad thought so.
Bottom line of this long as ever story? If you think you don’t like tomato soup, just try a homemade tomato soup…with grilled cheese on the side…obviously.
Trust me, you will love it. No canned goods here.
Ingredients
- Heirloom tomatoes
- Sweet onion
- Extra virgin olive oil
- Fresh thyme leaves
- Kosher salt and pepper
- Canned coconut milk or whole milk
- Basil pesto (store-bought or homemade is fine)
- Parmesan

As mentioned, these days I have a boat load of tomatoes on my counter, and last week I noticed some of them starting to bruise and become mushy. Instead of pitching them and feeding them to the goats (they get all the “old” veggies), I decided it was time to make tomato soup.
I wanted this soup to turn out amazing, but also be simple. So I relied on my fall-back skill of throwing everything into a pot and hoping for the best. I roasted the ingredients together, simmered and prayed. Thankfully it worked!
I love this soup.
And yes, I did say roast. We are totally turning on our ovens for this. Sorry, but not really, because slow roasted tomatoes are everything, and it’s how I managed to make a recipe with only SIX ingredients.

You ready? Here’s how this goes…
Start out by roasting together a bunch of tomatoes, a sweet onion, olive oil, thyme, salt and pepper. You want to roast the tomatoes until they’ve charred a little and released their juices. Roasting them really brings out their sweetness.
tip: roast the tomatoes inside a large dutch oven that can go from the oven to the stove. Trust me this saves so much time, clean up, and makes this a one-pot and done kind of recipe.
Transfer the roasted tomatoes to the stove, add milk (I use goat milk, but whatever you drink will be great) and basil pesto. Puree the soup and DONE.
So simple, so easy and so goood.
If you wanted to add a touch more flavor, a splash of white wine is highly recommended…maybe pour yourself a glass while you are at it…

Now most importantly?
Serve the soup warm, topped with parmesan crisps (or just grated parmesan) and fresh basil. Serve alongside this everything spice grilled cheese.
And now you have the perfect Thursday night dinner…and then leftover Friday lunch.
I reheated the leftover soup and made fresh grilled cheese on Tuesday night for my parents who had just returned home from Cleveland. All agreed that it was the perfect welcome home dinner. Something about the combo of soup + grilled cheese is always so comforting…
Oh and guys, I know this week has been all about comfort food, but tomorrow’s recipe…possibly the best recipe yet.
It’s a chocolate classic and I am so excited!

Watch the How To Video:
6 Ingredient Creamy Roasted Tomato Soup
Servings: 4 servings
Calories Per Serving: 330 kcal
Nutritional information is only an estimate. The accuracy of the nutritional information for any recipe on this site is not guaranteed.
Watch the How-To Reel
Ingredients
- 6-8 heirloom tomatoes, quartered
- 1 small sweet onion, quartered
- 3 tablespoons extra virgin olive oil
- 2 tablespoons fresh thyme leaves
- kosher salt and pepper
- 1 cup canned coconut milk, nut/seed milk, or whole milk, plus more to thin as needed
- 1/3 cup basil pesto, homemade or store-bought
- parmesan, for serving (optional)
Instructions
- 1. Preheat the oven to 425 degrees F. 2. In a large oven safe pot, combine the tomatoes, onion, olive oil, thyme, and a pinch each of salt and pepper. Transfer to the oven and roast for 20-30 minutes or until the tomatoes just begin to char and release their juices. Let cool slightly.3. Transfer the roasted tomatoes and their juices to a blender and add the milk. Puree until smooth. Return the soup to the pot and place over medium heat on the stove. Stir in the pesto and season the soup with salt and pepper. Thin with more milk if desired. 4. To serve, ladle the soup among bowls and top with parmesan and basil. Serve with a grilled cheese on the side.

First soup and grilled cheese though….
This post was originally published on August 17, 2017
















Oh, yeah… tomato soup almost must have grilled cheese. And maybe people think it is a kid thing, but I have a tough time calling it a kid’s meal when I am using my (self) prized sourdough bread and all ingredients from the garden. ALL OF THAT ADULTING!
Also, I have to say that I would use heavy cream. 😉
YES! Its a kid and adult thing, because its delicious!
I made this last night as I had a LOT of tomatoes that were SO ripe! It turned out delicious!! Thank you for the guideline! (I added some jalapenos and garlic to the roasting bit from the garden as well…) So, so yummy!
SO happy it turned out well!! Sounds so yummy with some spice and garlic! Thanks Dannell!
Oh my goodness. I wish I hadn’t already eaten all my homegrown on caprese sandwiches and blts!! This needs to be made. Thanks for the recipe Tieghan!
Ah next recipe!! Hope you love it Sara, thank you!
Yum! Love me some grilled cheese and tomato soup! It’s almost the season for it around here and I cannot wait!
Yes! So close to the right season (although it feels like it here!) Hope you love it when the time comes Lindsay!
This recipe, along with the grilled cheese, reminds me of a cool fall day after Apple picking. I’m going to have to make this ASAP and again in the fall, lol.
Btw, all of your recipes are full of flavor and I love making them. Thanks for all the great food!
YES! LOVE apple picking its so fun! Hope you love the soup and grilled cheese!
Thank you so much!
This soup looks wonderful!! I too used to occasionally eat canned tomato soup as a kid. I guess my mom didn’t over feed it to me, though, since I still like it haha. She made pretty much everything else from scratch, anyway. I do prefer homemade tomato soup, though. Love these photos!!
Its good either way!! But homemade is always fun and usually better! Thanks Natasha!
I was just thinking I should make tomato soup for dinner tonight… Saw this, and my ideas have been confirmed;) Sounds delish, as usual!
YES so perfect, hope it was delicious!
I just finished eating an everything spice grilled cheese and the only thing that could have made it better would have been this soup!
Ah yes!! That would be delish!
Looks amazing Tieghan! (And just for the record, I use store-bought pesto all the time so totally consider that a single ingredient :)). This is perfect because I always buy too many tomatoes and then they get past the point of being able to eat them fresh but I don’t want them to go to waste. Plus I LOVE grilled cheese. It was always my go-to meal at Friendly’s when we went after beach trips when I was little. I’ve only recently started dipping them in tomato soup and it really is just the best. Thanks for all these delicious recipes! Still thinking of you and your fam this week too.
Thank you Erica!! I use it often too when I don’t have time!!
Tomato soup is the best when you need to get rid of some old-ish tomatoes!! Absolutely love dipping grilled cheese in the soup too!!
Thanks so much (:
LOVE this tomato soup. It’s so easy and looks very creamy. The picture is beautiful as always
Thank you Carlos!! Love your comments always brighten my day (:
Yeah, sorry but you can’t say that this recipe is 6 ingredients and then have one of the ingredients be a link to another one of your recipes with more ingredients… That math just doesn’t work out.
Hey Elle, you can use a store-bought or homemade pesto. Sorry if that was confusing. Let me know if you have questions. Thanks.
I’ve been searching for different recipes for roasted tomato soup and yours looks like a winner .
Woohoo! Hope you love it Gerlinde!
So happy I stumbled upon your site! Your recipes are wonderful, and your photography is stunning!
So happy you found my site too!! Thank you so much Mary!
Can’t wait to try this. I’ve been in love with tomato soup ever since I had it at the Wharf in San Francisco in a bread bowl. Haven’t matched that taste yet but hoping this recipe does. Yes – I assume it’s 1/3 cup of pesto (which I just made a ton of- yay).
Hi Rose! It is 1/3 cup pesto! Hope you love the soup! 🙂
Tieghan the soup was DELICIOUS!!!!! I had it three days in a ROW with my sunflower tahini kale salad and was soooo satisfied. To save on some calories I did use 2% milk and it still was so yummy. The pesto just puts it over the top and it was soooo quick to throw together in my VitaMix. Thanks so much for making my healthy cooking so easy! You are my first stop for dinner recipes :).
YAY!!!! SO happ it was good! Especially for 3 days in a row! Winner! Thanks so so much for making it!
Looking forward to making this! One question – ingredients say “1/3 basil”…1/3 of what? Thanks for all your great recipes!! And I love the Nine Favorite Things so much!!
It’s a hyperlink that says “Basil pesto” 🙂
Hey Lori! So sorry for the confusion. It is 1/3 cup basil pesto and you can use homemade or store-bought pesto. Please let me know if you have any other questions. I hope you love the soup!
So sorry about that, it is 1/3 cup basil. Let me know if you have other questions. Hope you love the soup!