Creamy Roasted Red Pepper and Tomato Soup with Basil

30 min prep 5 min cook 4 servings
Creamy Roasted Red Pepper and Tomato Soup with Basil
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There’s a moment every October when the light turns golden, the air smells faintly of woodsmoke, and I suddenly need soup—this soup. It happened again last weekend: I came home from the farmers’ market with a paper bag blistering under the weight of late-season tomatoes and a handful of gnarled, scarlet bell peppers that looked like they’d been kissed by the sun itself. Within an hour my kitchen smelled like a Mediterranean summer—garlic sizzling in olive oil, peppers charring under a broiler, basil releasing its perfume under the blade of a sharp knife. By sunset I was curled on the sofa, hands wrapped around a stoneware mug of velvety, coral-hued soup, grilled-cheese corners pooling on the plate beside me. That first spoonful is always a small, private celebration: sweet-smoky tomatoes, silky cream, and the gentle heat of basil that tastes like August refusing to leave.

This recipe is my love letter to that moment. It’s week-night simple yet dinner-party worthy, pantry-friendly yet bursting with farmers’-market glory. I’ve served it to toddlers (grilled-cheese dunkers), to my book club (with a swirl of pesto and a crisp white), and once—memorably—blitzed cold from a thermos on a beach picnic when the fog rolled in. Every time it delivers the same cozy reassurance: comfort food can still taste like sunshine.

Why This Recipe Works

  • Roasting concentrates flavor: 15 minutes under a blistering broiler transforms everyday peppers and tomatoes into smoky-sweet jewels.
  • Double basil hit: Fresh leaves are blended into the soup for grassy brightness, then a chiffonade garnish keeps every bowl tasting alive.
  • Cream without heaviness: A modest splash of half-and-half (or coconut cream for dairy-free) gives luxurious body; a potato adds natural silkiness.
  • One pan, one blender: Roast, simmer, purée—minimal cleanup, maximum week-night victory.
  • Make-ahead champion: Flavor deepens overnight; freezer-friendly for up to 3 months.
  • Customizable heat: Add a roasted jalapeño or pinch of smoked paprika to dial warmth up or down.
  • Vegan & gluten-free without trying: Swap cream for coconut milk and use veggie stock—nobody notices.

Ingredients You'll Need

Ingredients

Great soup begins at the produce bin. Below are my non-negotiables, plus the savvy substitutions I’ve learned after a decade of batch-testing this recipe for readers around the world.

Red Bell Peppers – Look for skins that shine like patent leather and feel heavy for their size. Wrinkled is fine; blackened patches after roasting are flavor gold. In a pinch, 12 oz jarred roasted peppers (drained and patted dry) work, but fresh gives a cleaner smoke.

Tomatoes – During peak season I use ripe beefsteaks or heirloom uglies. Off-season, 28 oz whole canned San Marzano tomatoes are sweeter than fresh. If using canned, drain and reserve the juice; add it back later to control thickness.

Basil – Genovese is classic, but Thai basil’s anise note is gorgeous if you’re serving with a coconut-cream version. Buy bunches that smell like summer rain; avoid black-spotted leaves. Thick stems go into the stock for extra oomph.

Aromatics – One yellow onion, two fat garlic cloves, a peeled carrot for sweetness, and a Yukon gold potato for body. No leek? No problem—shallots add elegance.

Stock – Low-sodium vegetable keeps it vegetarian; chicken stock deepens flavor. Water works in a tight spot if your tomatoes are peak-season ripe.

Cream – I keep it modest: ⅓ cup half-and-half for weeknights, heavy cream for company. Coconut cream or cashew cream keeps it vegan; both melt seamlessly into the coral base.

Seasonings – Kosher salt, freshly ground black pepper, a pinch of sugar only if your tomatoes are tart, and a whisper of smoked paprika for campfire nostalgia.

How to Make Creamy Roasted Red Pepper and Tomato Soup with Basil

1
Roast the vegetables

Heat broiler to high with rack 6 inches below. Halve peppers, discard seeds and stems. Quarter tomatoes. Spread peppers (skin-side up), tomatoes, carrot coins, and peeled garlic on a rimmed sheet. Drizzle with 2 Tbsp olive oil, sprinkle ½ tsp salt and ¼ tsp pepper. Broil 12–15 min, rotating once, until pepper skins blister and blacken. Transfer hot tray to a large bowl; cover tightly with foil for 10 min—steam loosens skins so they slip off like silk.

2
Sweat the onion

Meanwhile, warm 1 Tbsp olive oil in a Dutch oven over medium. Add diced onion and a pinch of salt; cook 5 min until translucent, not brown. Scrape in roasted vegetables (peel skins off peppers if you want silk-smooth soup; I leave half for smoky flecks). Add diced potato and 2 cups stock; bring to a gentle boil, then reduce to a lively simmer 10 min—just until potato yields to a paring knife.

3
Basil bath

Reserve 4 pretty basil leaves for garnish. Rip the rest and stir into the pot; simmer 1 min only—longer cooking dulls the vibrant chlorophyll.

4
Blend until velvety

Remove from heat; cool 5 min (hot soup can blow blender lids). Working in batches, purée soup with cream until satin-smooth. Return to pot; thin with reserved tomato juice or stock to your desired consistency. Taste, adjusting salt and pepper aggressively—cold cream dulls seasoning.

5
Final simmer & serve

Heat gently over low; do not boil or cream may separate. Ladle into warm bowls, swirl a spoon of pesto or extra cream, shower with chiffonade of basil, finish with cracked pepper and a drizzle of peppery olive oil.

Expert Tips

Hot-blend safely

Fill blender only half-way, remove center cap, cover with a folded towel to let steam escape, and start on low—no lava eruptions.

Speed-cool trick

Press sheet pan of roasted veg into a thin layer; they drop from steaming to blender-safe in 3 min instead of 15.

Cream swirl art

Use a squeeze bottle or toothpick to feather cream into hearts—kids (and Instagram) love it.

Thickness dial

Too thick? Stir in warm stock by the ¼ cup. Too thin? Simmer 5 min uncovered or whisk in a slurry of 1 tsp cornstarch + water.

Char without broiler

No broiler? Place peppers directly on gas burner grates, turning with tongs until blistered. Roast tomatoes at 450 °F for 20 min.

Color pop

Brighten faded winter tomatoes with ½ tsp tomato paste stirred in during the onion-sweat stage.

Variations to Try

  • Smoky Paprika & Chipotle: Add ½ tsp smoked paprika + ½ minced chipotle in adobo while sweating onion. Finish with lime crema.
  • Coconut-Curry: Swap cream for full-fat coconut milk, add 1 tsp Thai red curry paste, garnish cilantro & basil.
  • Roasted Red Pepper Gouda: Stir ½ cup shredded smoked gouda into finished soup until melted and glossy.
  • Chilled Summer Version: Skip cream, add ½ English cucumber to blender; serve ice-cold with a dill sprig.
  • Hidden Veg Boost: Add 1 cup cauliflower florets to simmer; they disappear but add fiber and silkiness.
  • Protein-Power: Purée 1 can rinsed white beans with soup for extra protein that keeps it vegan.

Storage Tips

Refrigerator: Cool completely, transfer to airtight glass jars, and refrigerate up to 5 days. Reheat gently over medium-low, whisking in splashes of stock or milk to loosen.

Freezer: Ladle into silicone muffin trays; freeze 2 hours, then pop out soup “pucks” into zip bags. Thaw 4 pucks per serving overnight in fridge or microwave from frozen 2 min with a splash of stock.

Make-Ahead: Roast vegetables up to 3 days ahead; store chilled. Soup base (before cream) can be frozen for 3 months; stir in cream after reheating to prevent graininess.

Frequently Asked Questions

Absolutely—just simmer the soup 2 extra minutes to soften veg further. Keep the blade submerged and tilt pot so blades hit potato chunks first for silk-smooth texture.

High heat can curdle cream. Always finish over low and avoid a rolling boil. If tragedy strikes, buzz with an immersion blender to re-emulsify.

You’ll lose the complex caramel notes that make this soup sing. If you must, add ½ tsp smoked paprika and roast tomatoes at 400 °F for 15 min while onion softens.

Freeze base before cream; stir in dairy (or coconut) after reheating. If already blended with cream, thaw slowly, whisk vigorously, and warm gently to re-emulsify.

Garlic-butter crostini, pesto-swirled hummus toast, shaved fennel salad with lemon, or a gooey ham & brie panini. For wine, pour a chilled Sauvignon Blanc or light Pinot Noir.

Because of the dairy and low-acid vegetables, this recipe is not safe for water-bath canning. Freeze instead or pressure-can the cream-free base following NCHFP guidelines for tomato-pepper mixtures.
Creamy Roasted Red Pepper and Tomato Soup with Basil
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Pin Recipe

Creamy Roasted Red Pepper and Tomato Soup with Basil

(4.9 from 127 reviews)
Prep
15 min
Cook
30 min
Servings
6

Ingredients

Instructions

  1. Roast: Preheat broiler. Arrange peppers (skin-side up), tomatoes, carrot and garlic on sheet. Drizzle 2 Tbsp oil, season with ½ tsp salt and ¼ tsp pepper. Broil 12–15 min until peppers blister. Cover with foil 10 min, then peel pepper skins if desired.
  2. Sauté: Warm remaining 1 Tbsp oil in Dutch oven over medium. Cook onion 5 min until translucent. Stir in roasted vegetables, potato and stock. Simmer 10 min until potato is tender.
  3. Basil & blend: Add basil. Cool 5 min, then purée in batches with half-and-half until silky. Return to pot; season.
  4. Finish: Heat gently over low. Serve hot with basil chiffonade and cracked pepper.

Recipe Notes

For extra-smoky depth, add ½ tsp smoked paprika with the onion. Soup thickens as it sits; thin with stock when reheating.

Nutrition (per serving)

192
Calories
4g
Protein
20g
Carbs
11g
Fat

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