Roasted Red Pepper Soup

A silky, smoky roasted red pepper soup that's easy to make in a Dutch oven or slow cooker — bright, comforting, and great for weeknight dinners. This recipe includes tips for equipment, blending, and dairy-free swaps so you can make it your own.

20 min Prep Time
30 min Cook Time
50 min Total Time
6 Servings
Easy Difficulty

Ingredients

Servings:
6
Nutrition (per serving)
Calories 220 kcal
Protein 3g
Fat 12g
Carbohydrates 22g
Fiber 5g
💾 Storage

Cool the soup to room temperature, then store in an airtight container in the refrigerator for up to 4 days. To freeze, pour into freezer-safe containers or resealable bags and freeze for up to 3 months; thaw overnight in the refrigerator and reheat gently on the stove, stirring occasionally. Reheat only the portion you plan to serve to preserve texture and flavor.

🍳

Best Made With: Dutch Oven / Slow Cooker

Choose an enameled cast-iron Dutch oven for even heat distribution and easy cleanup, or use a slow cooker for a hands-off option after roasting the peppers.

See Our Top Dutch Oven / Slow Cooker Picks →

Roasted Red Pepper Soup

This roasted red pepper soup turns a handful of simple pantry ingredients into a silky, slightly smoky bowl of comfort. Roasting the peppers concentrates their natural sweetness and adds a charred depth that pairs beautifully with a touch of acidity and cream for balance. It’s a forgiving recipe: roast, simmer, blend, and adjust — the results are reliably delicious.

What makes this soup special is that it’s both rustic and elegant. A quick oven roast or broil develops complex flavors, while a short simmer with aromatics lets everything meld. Finish with cream or a coconut-milk swap for a dairy-free version, and garnish with fresh basil or a drizzle of olive oil for a restaurant-worthy presentation at home.

Why this recipe works

Roasting the peppers before simmering amplifies their natural sugars and adds charred notes that single-step methods can’t match. Sautéing an onion and garlic base in a heavy pot (like a Dutch oven) creates a flavorful foundation, and a brief simmer with stock lets the ingredients marry without overcooking. Blending brings everything to a luxurious texture while allowing you to control how chunky or smooth you want the final soup.

Choosing the right equipment

A heavy, well-sealed Dutch oven is the ideal tool for this soup: it distributes heat evenly during the sauté and simmer stages and is robust enough for oven use if you prefer to roast peppers directly on the stovetop or finish the soup in the oven. If you prefer low-and-slow set-and-forget cooking, this recipe adapts to a slow cooker — roast the peppers first, then combine ingredients in the slow cooker and cook until fragrant before blending.

If you’re shopping, consider an enameled cast-iron Dutch oven for even heat and easy cleanup. Popular choices include well-known names like Le Creuset or other enameled options; see an example here: Le Creuset Dutch Oven. For finishing, a good immersion blender makes pureeing hot soup safe and simple — here’s a versatile option: Immersion Blender. And a sharp chef’s knife makes vegetable prep faster and safer: Chef Knife.

When choosing cookware, consider materials and coatings; if you’re sensitive to nonstick chemicals or want eco-friendly options, check our guide to the Best Non-Toxic Cookware. If you’re debating premium brands and construction, our comparison of premium lines might help: HexClad vs All-Clad.

How to serve

Serve this soup hot with torn basil leaves, a swirl of cream or coconut milk, and crunchy croutons or toasted sourdough. It pairs well with a simple grilled cheese or a crisp salad for a complete meal. For an elegant starter, serve in small bowls with a drizzle of high-quality olive oil and a pinch of smoked paprika.

Tips and variations

  • Roast peppers under the broiler, on a grill, or directly over a gas flame to get that smoky char — peel skins if you prefer a smoother texture, but leaving a little char adds flavor.
  • For a dairy-free version, swap heavy cream for coconut milk or a splash of cashew cream; add it at the end and heat gently to avoid separation.
  • Add roasted tomatoes or a spoonful of tomato paste for extra body and acidity if your peppers are exceptionally sweet.
  • To make the soup ahead: prepare through the blending step, cool completely, and refrigerate the finished soup; gently reheat before serving and add final fresh herbs when hot.

This recipe is flexible, forgiving, and perfect for using roasted-batch peppers from the freezer or a late-summer pepper haul. Whether you use a classic Dutch oven or a slow cooker, the techniques here deliver deeply flavored, velvety soup with minimal fuss.

Enjoy this soup as a cozy weeknight meal or an elegant starter — and keep an eye on your cookware choices, because a good heavy-bottomed pot makes a surprising difference in texture and ease of cooking.

Instructions

1

Roast the peppers

Preheat your oven broiler to high (or preheat a grill). Place whole red peppers on a rimmed baking sheet and broil/grill, turning occasionally, until skins are blackened and blistered on all sides (about 10–15 minutes). Transfer peppers to a bowl and cover tightly with plastic wrap or place in a sealed container for 10 minutes to steam—this loosens the skins.

💡 Pro tip: If you prefer, roast peppers over an open flame for extra char; steaming them briefly makes peeling much easier.
2

Peel and seed the peppers

Once cool enough to handle, peel the skins off the peppers and remove cores and seeds. Roughly chop the flesh and set aside. If you want an ultra-smooth soup, be thorough removing skins; for a smoky rustic texture, leave small bits of charred flesh.

3

Sauté the aromatics

In a Dutch oven over medium heat, warm the olive oil. Add the chopped onion and cook until translucent, 6–8 minutes. Add the minced garlic and cook another 30–60 seconds until fragrant. Stir in smoked paprika.

💡 Pro tip: Cook the onion low and slow to develop sweetness without browning too much.
4

Combine and simmer

Add the roasted peppers and canned tomatoes or tomato paste (if using) to the pot. Pour in the broth, bring to a simmer, and let cook for 10–15 minutes to allow the flavors to meld. Taste and season with salt, pepper, and red pepper flakes if you want heat.

💡 Pro tip: If the mixture looks too thick, add more broth a little at a time to reach your desired consistency.
5

Blend until smooth

Use an immersion blender in the pot to puree the soup until smooth, or carefully transfer batches to a countertop blender (venting the lid) and blend until silky. Return soup to the pot if needed and heat gently.

💡 Pro tip: Blending hot liquid can be dangerous — vent the blender lid and pulse in short bursts if using a countertop blender.
6

Finish with cream and adjust seasoning

Stir in the heavy cream or coconut milk and simmer just until heated through (2–3 minutes). Add the balsamic vinegar or lemon juice to brighten the flavor and correct seasoning with salt and pepper.

💡 Pro tip: Add cream off heat if you’re concerned about curdling, then warm slowly when ready to serve.
7

Serve

Ladle the soup into bowls and garnish with torn basil, a drizzle of olive oil, and croutons or crusty bread. For a richer finish, add an extra swirl of cream or a sprinkle of smoked paprika.

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