Why You’ll Love Roasted Red Pepper Soup Recipe
This roasted red pepper soup transforms a handful of simple vegetables into a rich and satisfying meal. Roasting the peppers, fennel, and garlic concentrates their natural flavors and gives the soup a deeper taste than simply simmering the vegetables.
It is also wonderfully easy to customize. You can make it creamier, increase the spice, adjust the consistency with extra vegetable stock, or keep it lighter by reducing the cream. Since everything is blended directly in the pot, cleanup is relatively simple too.
The bright red color makes this soup especially inviting, while the combination of basil, parsley, lemon, and roasted vegetables keeps every spoonful fresh and flavorful.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
- Red peppers: The star of the soup, providing natural sweetness, vibrant color, and a rich roasted flavor.
- Fennel: Adds a delicate sweetness and subtle anise-like flavor that complements the peppers.
- Garlic: Roasting a whole head of garlic makes the cloves soft, mellow, and slightly sweet.
- Kosher salt: Enhances the flavors of the roasted vegetables and finished soup.
- Black pepper: Adds mild warmth and seasoning.
- Crushed red pepper: Gives the soup a gentle spicy kick.
- Vegetable stock: Creates the soup’s flavorful liquid base and helps achieve a smooth consistency.
- Heavy cream: Adds richness and gives the finished soup a silky texture.
- Fresh parsley: Provides a fresh finishing touch and makes an excellent garnish.
- Parmesan rind: Adds savory, salty depth while the soup simmers.
- Lemon juice: Brightens the soup and balances the sweetness of the roasted vegetables.
- Olive oil: Helps the vegetables caramelize and become tender during roasting.
- Fresh basil: Adds an aromatic, herbaceous flavor that pairs beautifully with red peppers.
Directions
1. Prepare the Vegetables
Preheat the oven to 425°F. Quarter the red peppers and slice the fennel. Arrange them on a large baking tray.
Drizzle the vegetables with olive oil and season with 1 teaspoon kosher salt, 1 teaspoon black pepper, and 1/2 teaspoon crushed red pepper. Toss everything together until the vegetables are evenly coated.
2. Prepare the Garlic
Slice approximately 1/4 inch from the top of the garlic head so the tops of the cloves are exposed.
Place the garlic cut-side up on a small piece of aluminum foil. Drizzle it with about 1 tablespoon of olive oil, allowing some of the oil to run between the cloves. Loosely wrap the garlic in the foil to create a sealed packet.
3. Roast
Place the wrapped garlic on the same baking tray as the peppers and fennel.
Transfer the tray to the preheated oven and roast for about 45 minutes, or until the peppers and fennel are tender and beginning to caramelize. The garlic should be very soft when gently pressed.
4. Blend the Soup
Transfer the roasted peppers and fennel to a Dutch oven or large soup pot.
Carefully unwrap the roasted garlic. Once it is cool enough to handle, squeeze the softened garlic cloves from their skins directly into the pot.
Add the vegetable stock and a generous handful of fresh basil. Blend everything with an immersion blender until completely smooth and creamy.
5. Simmer
Bring the blended soup to a gentle simmer. Add the remaining 1/2 teaspoon kosher salt and the Parmesan rind.
Allow the soup to simmer for approximately 15 minutes so the flavors have time to develop. Stir occasionally to prevent anything from sticking to the bottom of the pot.
Remove and discard the Parmesan rind before serving.
6. Finish and Serve
Remove the soup from the heat and stir in the fresh lemon juice.
Slowly stir in the heavy cream until completely incorporated. Taste and adjust the salt, pepper, or lemon juice as desired.
Ladle the soup into bowls, garnish with chopped fresh parsley and additional basil if desired, and serve hot.
Servings and timing
This recipe makes approximately 6 servings.
- Prep Time: 15 minutes
- Roasting Time: 45 minutes
- Simmering Time: 15 minutes
- Total Time: 1 hour 15 minutes
- Servings: 6
Variations
Make It Spicier
For a soup with more heat, increase the amount of crushed red pepper. A small pinch of cayenne pepper can also be added when the soup is simmering.
Make It Dairy-Free
Leave out the heavy cream and Parmesan rind and use an unsweetened dairy-free cream alternative or full-fat coconut milk. Keep in mind that coconut milk will give the soup a slightly different flavor.
Make It Extra Creamy
Increase the amount of heavy cream for an even richer consistency. You can also blend in a small amount of cream cheese or mascarpone for additional richness.
Add Tomatoes
Roast a few Roma tomatoes or cherry tomatoes alongside the peppers and fennel. Tomatoes add acidity and create a slightly different version of classic roasted red pepper soup.
Add More Herbs
Fresh thyme, oregano, or rosemary can be used alongside the basil. Use stronger herbs such as rosemary sparingly so they do not overpower the sweetness of the peppers.
Adjust the Consistency
For a thinner soup, stir in additional vegetable stock after blending. If you prefer a thicker soup, start with slightly less stock and add more only as needed.
Storage/Reheating
Allow leftover roasted red pepper soup to cool before transferring it to an airtight container. Refrigerate it for up to 3 to 4 days.
To reheat the soup on the stovetop, place it in a saucepan over medium-low heat and stir occasionally until heated through. Avoid aggressively boiling the soup after the cream has been added, as gentle reheating helps preserve its smooth texture.
Individual portions can also be reheated in the microwave. Heat in short intervals, stirring between each interval until evenly hot.
For longer storage, the soup can be frozen, although the texture may change slightly because of the heavy cream. For the best freezer-friendly version, prepare the soup without the cream, freeze it, and stir in fresh cream after thawing and reheating.
FAQs
1. Do I need to peel the red peppers after roasting?
No. Because the roasted vegetables are thoroughly blended, peeling the peppers is not necessary. If you want an exceptionally silky soup, however, you can remove the skins before blending.
2. Can I use jarred roasted red peppers?
Yes. Jarred roasted red peppers can work when you need a shortcut. Drain them thoroughly before using. The flavor will be slightly different because roasting fresh peppers with the fennel and garlic creates deeper caramelized flavors.
3. What can I use instead of heavy cream?
Half-and-half can create a lighter soup, while unsweetened dairy-free cream can be used for a dairy-free variation. Full-fat coconut milk is another option, although it will introduce a subtle coconut flavor.
4. Is roasted red pepper soup spicy?
This version has mild heat from the crushed red pepper. If you prefer very little spice, reduce or omit it. For a hotter soup, simply add more crushed red pepper to taste.
5. What does fennel add to the soup?
Roasted fennel becomes tender and slightly sweet, giving the soup another layer of flavor without overpowering the red peppers. Its distinctive anise flavor also becomes much milder after roasting.
6. Can I make this soup without an immersion blender?
Yes. Carefully transfer the soup to a countertop blender and blend it in batches. Avoid overfilling the blender with hot liquid, and follow your blender manufacturer’s instructions for processing hot foods.
7. Why add lemon juice at the end?
Lemon juice provides acidity that balances the sweetness of the roasted peppers, fennel, and garlic. Adding it toward the end preserves its fresh, bright flavor.
8. What does the Parmesan rind do?
A Parmesan rind releases savory flavor as it simmers in the soup, giving the broth additional depth without making the soup overwhelmingly cheesy. Remember to remove the rind before serving.
9. What can I serve with roasted red pepper soup?
This soup pairs especially well with crusty bread, garlic bread, grilled cheese, sandwiches, or a simple green salad. Smaller portions also work nicely as a starter before a main course.
10. Can I make roasted red pepper soup ahead of time?
Yes. This is an excellent make-ahead soup because the flavors continue to develop as it rests. Prepare it in advance, refrigerate it in an airtight container, and gently reheat it before serving.
Conclusion
Roasted Red Pepper Soup is an easy way to turn fresh vegetables into a smooth, flavorful, and comforting dish. Roasting the red peppers, fennel, and whole garlic head brings out their natural sweetness, while basil, Parmesan, lemon, and cream create a balanced combination of savory, fresh, and rich flavors.
Serve it piping hot with crusty bread for a cozy meal, pair it with a sandwich for lunch, or offer smaller bowls as a starter. With simple ingredients, straightforward preparation, and plenty of ways to customize it, this colorful roasted pepper soup is a versatile recipe worth making again and again.
Roasted Red Pepper Soup
A creamy roasted red pepper soup with fennel, roasted garlic, fresh basil, and a bright touch of lemon. Rich, savory, and gently spiced for a comforting meal.
- Prep Time: 15 minutes
- Cook Time: 1 hour
- Total Time: 1 hour 15 minutes
- Yield: 6 servings
- Category: Soup
- Method: Roasting
- Cuisine: Mediterranean
- Diet: Vegetarian
Ingredients
- 5 red peppers, quartered
- 1 fennel, sliced
- 1 garlic, head
- 1.5 tsp kosher salt
- 1 tsp black pepper
- 1/2 tsp crushed red pepper
- 2 cup vegetable stock
- 1/4 cup heavy cream
- 2 tbsp parsley, chopped
- 1 parmesan rind
- 2 tbsp lemon juice
- 3 tbsp olive oil
- 1 handful fresh basil
Instructions
- Preheat the oven to 425°F. Place the red peppers and fennel on a baking tray. Drizzle with 2 tbsp olive oil and season with 1 tsp kosher salt, 1 tsp black pepper, and 1/2 tsp crushed red pepper. Toss to combine.
- Slice about 1/4 inch off the top of the garlic head, just enough to expose the tops of the cloves. Place the garlic cut-side up on a small sheet of aluminum foil. Drizzle with the remaining 1 tbsp olive oil, letting it seep between the cloves. Wrap the foil loosely around the garlic to create a seal.
- Place the wrapped garlic on the baking tray with the vegetables and roast for 45 minutes.
- Transfer the roasted red peppers and fennel to a Dutch oven. Squeeze the roasted garlic cloves from their skins into the pot. Add the vegetable stock, fresh basil, and parmesan rind.
- Remove the parmesan rind after it has flavored the soup, then use an immersion blender to blend the soup until completely smooth.
- Bring the soup to a simmer, add the remaining 1/2 tsp kosher salt, and simmer for 15 minutes.
- Remove the pot from the heat and stir in the lemon juice and heavy cream. Garnish with chopped parsley and serve hot.
Notes
- For an extra-smooth soup, blend thoroughly with an immersion blender or carefully use a countertop blender in batches.
- The parmesan rind adds savory depth and should be removed before blending.
- Adjust the crushed red pepper to taste for a milder or spicier soup.
- Store leftovers in an airtight container in the refrigerator and reheat gently before serving.
Nutrition
- Serving Size: 1 serving
- Calories: 210 kcal
- Sugar: 8 g
- Sodium: 650 mg
- Fat: 15 g
- Saturated Fat: 5 g
- Unsaturated Fat: 9 g
- Trans Fat: 0 g
- Carbohydrates: 17 g
- Fiber: 4 g
- Protein: 4 g
- Cholesterol: 15 mg
