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Lunch/ Spice

Spicy Roasted Red Pepper Soup

November 21, 2022 (Last Updated: December 14, 2022) by Chris Collins

This roasted red pepper soup has a gorgeous spicy flavour and couldn’t be easier to make!

This is one heck of a winter warmer. If you love a good red pepper, this will be right up your street! Follow me…

roasted red pepper soup in small white bowl on wooden chopping board with grilled cheese in background

Roasted Red Peppers

Roasting the peppers is going to enhance their already delicious flavour. By roasting the peppers, you gain gorgeous bits of char, which offer a nice deep, smoky flavour. Something you miss out on if you simply boil the peppers. To really take things up a notch, we’re going to deepen that smoky flavour with some cumin and smoked paprika too.

Can I use roasted red peppers from a jar instead?

I highly recommend using fresh peppers for this recipe. Not only because you get to roast them in extra seasoning, but also because jarred peppers are stored in a vinegary brine, which will throw off the flavour of the soup.

Can I use different colour peppers?

Different colour peppers do have different flavours, so I don’t recommend using any other colour than red. Plus you don’t want to lose that lovely vibrant red colour!

Process shots: dice peppers and coat in cumin, smoked paprika, salt, pepper & olive oil (photo 1), roast (photo 2).

2 step by step photos showing how to roast red peppers

Roasted Red Pepper Soup

When it comes to the soup, we want to add in some extra goodies too, just so you don’t end up with a one-tone kinda soup. To start, we’re going in with the classic combo of onion, carrot and celery, which makes the perfect flavour base for just about anything! Then we’re going to throw in some garlic too, because, umm, garlic!?

Harissa Paste

One of the key additions to this soup is a good dollop of Harissa paste. This not only offers the ‘spice’ aspect of the soup, but it pairs so beautifully with the flavours of the roasted red peppers. You’ll find it in most supermarkets, typically in the spice/herb section.

How spicy is this soup?

It’s got a kick, but really it’s fairly mild. Harissa paste brands will differ in spice, but I’ve never found this soup overbearingly spicy. In fact, if you wanted to make it spicier I recommend adding some cayenne pepper pinch by pinch.

Process shots: fry onion, celery, carrot in butter (photo 1), fry garlic (photo 2), fry tomato paste and harissa paste (photo 3), add roasted red pepper (photo 4), add stock and simmer (photo 5), blitz until smooth (photo 6).

6 step by step photos showing how to make roasted red pepper soup

Serving Roasted Red Pepper Soup

Where there’s soup, there’s gotta be a grilled cheese. For this recipe, I love making a Boursin Grilled Cheese, with Boursin Garlic & Herb Cheese and Mozzarella (more on this in the recipe card notes).

Can I make this ahead of time?

Sure! Just allow to completely cool then tightly store in the fridge or freezer until needed (more on this in the recipe card notes).

Alrighty, let’s tuck into the full recipe for this spicy roasted red pepper soup shall we?!

close up shot of roasted red pepper soup in ladle

How to make Roasted Red Pepper Soup (Full Recipe & Video)

roasted red pepper soup in small white bowl on wooden chopping board with grilled cheese in background

Spicy Roasted Red Pepper Soup

This roasted red pepper soup has a gorgeous spicy flavour and couldn't be easier to make!
5 from 2 votes
Print Pin Rate
Servings (click & slide): 4
Course: Main Course / Starter
Cuisine: Universal
Prep Time: 10 minutes
Cook Time: 45 minutes
Total Time: 55 minutes
Calories per serving: 215kcal
Cost per serving: £2 / $2.50


  • Large Baking Tray
  • Large Pot & Wooden Spoon
  • Hand Blender
  • Sharp Knife & Chopping Board
  • Jug (for stock)
  • Ladle (for serving)

Ingredients (check list):

Roasted Red Peppers

  • 2.6lb / 1.2kg Red Peppers, roughly diced (approx 7 medium red peppers)
  • 1.5 tbsp Olive Oil
  • 1 tsp EACH: Smoked Paprika, Cumin
  • 1/4 tsp EACH: Salt, Black Pepper


  • 3 cups / 750ml Chicken Stock, or as needed
  • 1 large Onion, finely diced
  • 1 large Carrot, finely diced
  • 1 large rib of Celery, finely diced
  • 3 cloves of Garlic, finely diced
  • 2 tbsp EACH: Butter, Tomato Puree (Paste in US), Harissa Paste (see notes)
  • Salt & Pepper, to taste
  • Cayenne Pepper, to taste (optional for more spice)


  • Add the diced peppers to a large baking tray and combine with olive oil, smoked paprika, cumin, salt & black pepper. Place in the oven at 200C/400F until soft and lightly charred (30-40mins).
  • Meanwhile, melt 2 tbsp butter in a large pot over medium heat. Add in onion, celery & carrot and fry until soft & just starting to pick up colour. Add in garlic and fry for another couple of mins.
  • Stir in 2 tbsp tomato puree (paste) & 2 tbsp harissa paste and fry for a couple of mins. Add in the roasted peppers, then use a dash of stock and a plastic spatula to scrape off any flavour from the tray. Pour that into the pot alongside the rest of the stock. Bring to a simmer and reduce heat to medium-low, then pop on the lid and simmer for 20mins or so, just to marry the flavours together and completely soften the peppers.
  • Remove lid and blitz until smooth. Taste test for seasoning/spice and adjust accordingly with salt, pepper & cayenne pepper if needed (go easy with the cayenne, work a pinch at a time if you want it spicier). If you like it thinner then add more stock. If you go overboard with the liquid just simmer to thicken.

Quick 1 min demo!


a) Harissa Paste - You'll find this in most supermarkets, often near the spice section.
b) How spicy is this soup? - The spice will come from the Harissa paste, which can vary from brand to brand. But it's usually fairly mild; I've never found it too spicy with just 2 tbsp. You can then work to preference with cayenne pepper to make it as spicy as you'd like!
c) Can I use roasted red peppers from a jar? - I definitely recommend using fresh peppers for this recipe. Roasted red peppers from a jar are stored in a brine, which can throw off the flavour of the soup.
d) Serving/Grilled Cheese - Here I've served with a Boursin grilled cheese. for 4 sandwiches you'll need:
  • 8 medium slices of bread
  • 1x 5oz/150g pack of Garlic & Fine Herbs Boursin
  • 3.5oz/100g Mozzarella
  • Butter, as needed
e) Make Ahead/Storage - Allow to completely cool then tightly store in the fridge for 3-4days or freeze long-term. Reheat on the stove over low heat until piping hot (thaw in the fridge first if frozen).
f) Calories - Based on the soup shared between 4 people. Soup is 403 calories per sandwich.

Your Private Notes:


Nutrition Facts
Spicy Roasted Red Pepper Soup
Amount Per Serving
Calories 215 Calories from Fat 106
% Daily Value*
Fat 11.81g18%
Saturated Fat 4.499g22%
Trans Fat 0.235g
Polyunsaturated Fat 0.873g
Monounsaturated Fat 5.298g
Cholesterol 15mg5%
Sodium 230mg10%
Potassium 894mg26%
Carbohydrates 27.47g9%
Fiber 4.7g19%
Sugar 3.51g4%
Protein 4.34g9%
Vitamin A 4228IU85%
Vitamin C 557.2mg675%
Calcium 70mg7%
Iron 2.38mg13%
* Percent Daily Values are based on a 2000 calorie diet.
Nutrition is based on the absence of salt unless stated as a measurement in the ingredients. Cost is worked out based on ingredients bought from UK supermarkets, then divided by the number of servings. In both instances these values are just for guidance. Please check out my FAQ Page for more info.
Tried this recipe?Show me how you got on by tagging @dontgobaconmyheart_ on IG and #dontgobaconmyheart
Looking for more?You'll find plenty more delicious comfort food like this in my Debut Cookbook 'Comfy'

For another delicious recipe using roasted red peppers check out my Roasted Red Pepper Chicken!

For more similar recipes check out these beauties:

Winter Soup Recipes

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Recipe Rating


  • Reply
    Fiona van Buuren
    April 24, 2023 at 2:01 pm

    5 stars
    Our harissa was fiery, so I will use slightly less next time, but there will definitely be a next time as it was a delicious soup. I did sprinkle some parmesan over mine and loved the flavour.

    • Reply
      Chris Collins
      April 25, 2023 at 11:51 am

      Great to hear this went down well, Fiona! Thanks so much for stopping by for a review 🙂 C.

  • Reply
    December 10, 2022 at 3:22 pm

    5 stars
    This was a nice switch up from tomato soup. 5 stars from the family!

    • Reply
      Chris Collins
      December 10, 2022 at 3:34 pm

      Thanks Tina! 🙂