ROASTED THAI BUTTERNUT SQUASH SOUP

ROASTED THAI BUTTERNUT SQUASH SOUP is a medium Thai recipe that serves 4. 260 calories per serving. Recipe by Ronica on YouTube.

Prep: 20 min | Cook: 55 min | Total: 1 hr 30 min

Cost: $15.68 total, $3.92 per serving

Ingredients

  • 1 medium (about 2 lbs) Butternut Squash (peeled, seeded, cut into 1‑inch cubes)
  • 1 large Red Bell Pepper (seeded and quartered)
  • 2 Tbsp Olive Oil (for tossing vegetables before roasting)
  • 1 medium Onion (diced)
  • 1 Tbsp Fresh Ginger (minced)
  • 3 cloves Garlic (minced)
  • 1 stalk Lemongrass (bruised and sliced, remove before blending)
  • 2 Tbsp Red Curry Paste (store‑bought Thai red curry paste)
  • 4 cups Vegetable Broth (low‑sodium)
  • 1 cup Coconut Cream (full‑fat for richness)
  • 1 Tbsp Vegan Fish Sauce (adds umami without animal products)
  • to taste Salt
  • to taste Black Pepper
  • ¼ cup Cilantro (chopped, for garnish)
  • 1 Fresh Red Chili (thinly sliced, for garnish (adjust heat))
  • 2 Tbsp Fried Onions (store‑bought or homemade, for garnish)

Instructions

  1. Preheat Oven and Prepare Vegetables

    Preheat the oven to 400°F (200°C). Toss the cubed butternut squash and quartered red bell pepper with olive oil, salt, and pepper on a baking sheet. Spread in a single layer.

    Time: PT10M

    Temperature: 400°F

  2. Roast the Squash and Pepper

    Place the baking sheet in the oven and roast for 30 minutes, turning halfway through, until the vegetables are golden and tender.

    Time: PT30M

    Temperature: 400°F

  3. Prep Aromatics

    While the vegetables roast, smash the fresh ginger and garlic together with the flat side of a knife, then mince. Slice the lemongrass stalk lengthwise and bruise it.

    Time: PT5M

  4. Sauté Base Flavors

    In a large pot over medium heat, add a drizzle of oil and sauté the diced onion, smashed ginger, garlic, and bruised lemongrass until the onion becomes translucent and fragrant, about 5 minutes.

    Time: PT5M

    Temperature: medium

  5. Add Curry Paste

    Stir in the red curry paste and cook for 1 minute, allowing the spices to bloom.

    Time: PT1M

    Temperature: medium

  6. Combine Roasted Veggies and Liquids

    Add the roasted butternut squash and bell pepper to the pot. Pour in the vegetable broth, coconut cream, and vegan fish sauce. Bring to a gentle simmer.

    Time: PT5M

    Temperature: medium

  7. Simmer

    Reduce heat and let the soup simmer uncovered for 15 minutes, allowing the flavors to meld.

    Time: PT15M

    Temperature: low

  8. Blend the Soup

    Remove the lemongrass stalk. Using a countertop blender (or immersion blender), blend the soup until completely smooth. Return to the pot and keep warm.

    Time: PT5M

  9. Season and Garnish

    Taste and adjust salt and pepper if needed. Ladle into bowls and garnish with chopped cilantro, sliced fresh chili, and fried onions.

    Time: PT2M

Nutrition Facts

Calories
260
Protein
3 g
Carbohydrates
18 g
Fat
18 g
Fiber
4 g

Dietary info: Vegan, Gluten‑Free (if using gluten‑free curry paste), Dairy‑Free

Allergens: Coconut, Soy (in curry paste)

Last updated: April 16, 2026

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ROASTED THAI BUTTERNUT SQUASH SOUP

Recipe by Ronica

A velvety Thai-inspired soup that combines caramelized roasted butternut squash and bell pepper with fragrant ginger, garlic, lemongrass, and red curry paste. Finished with coconut cream, vegan fish sauce, and bright garnishes of cilantro, fresh chili and fried onions, this soup is both comforting and exotic.

MediumThaiServes 4

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
17m
Prep
1h 1m
Cook
10m
Cleanup
1h 28m
Total

Cost Breakdown

$15.68
Total cost
$3.92
Per serving

Critical Success Points

  • Roasting the squash and bell pepper to develop caramelized sweetness.
  • Removing the lemongrass stalk before blending to avoid fibrous texture.
  • Blending hot soup safely – vent the blender and blend in small batches.

Safety Warnings

  • The oven and roasting pan become extremely hot; use oven mitts.
  • When blending hot liquid, vent the blender lid and blend in small batches to prevent steam burns.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of Thai Roasted Butternut Squash Soup in Thai cuisine?

A

While traditional Thai cuisine rarely uses butternut squash, modern Thai‑fusion chefs incorporate it for its natural sweetness, pairing it with classic aromatics like lemongrass, ginger, and red curry paste. The dish reflects Thailand’s openness to global ingredients while preserving the balance of sweet, salty, sour, and spicy that defines Thai food.

cultural
Q

What are the traditional regional variations of Thai soup that inspire this Thai Roasted Butternut Squash Soup?

A

Classic Thai soups such as Tom Kha (coconut‑milk based) and Tom Yum (spicy‑sour broth) use lemongrass, galangal, and kaffir lime. This recipe borrows the coconut‑cream base from Tom Kha and the bold red curry flavor from central Thai curries, creating a fusion that honors those regional styles.

cultural
Q

How is Thai Roasted Butternut Squash Soup traditionally served in Thailand?

A

In Thailand, soups like Tom Kha are served hot in shallow bowls, often garnished with fresh cilantro, sliced chilies, and fried shallots. The same presentation is used here: a hot bowl topped with cilantro, fresh red chili, and crispy fried onions for texture and visual contrast.

cultural
Q

What occasions or celebrations is Thai Roasted Butternut Squash Soup traditionally associated with in Thai culture?

A

Thai soups are commonly enjoyed as a starter during family meals, festive gatherings, and cool‑weather celebrations. This roasted squash version is especially popular in autumn‑winter gatherings when the natural sweetness of squash complements the warming spices.

cultural
Q

What makes Thai Roasted Butternut Squash Soup special or unique in Thai cuisine?

A

The soup uniquely blends Western roasted squash techniques with authentic Thai aromatics and red curry paste, delivering a creamy texture without dairy and a layered flavor profile that balances sweet, spicy, and umami—all while staying vegan.

cultural
Q

What are the most common mistakes to avoid when making Thai Roasted Butternut Squash Soup?

A

Common errors include under‑roasting the vegetables (resulting in a bland base), forgetting to remove the lemongrass stalk (causing a fibrous texture), and over‑blending which can incorporate too much air and make the soup watery. Follow the critical steps to ensure depth of flavor and smoothness.

technical
Q

Why does this Thai Roasted Butternut Squash Soup recipe use vegan fish sauce instead of regular fish sauce?

A

Vegan fish sauce provides the same salty, umami depth that traditional fish sauce offers while keeping the dish plant‑based. It’s essential for those following a vegan diet or avoiding animal products, yet it still delivers the authentic Thai flavor profile.

technical
Q

Can I make Thai Roasted Butternut Squash Soup ahead of time and how should I store it?

A

Yes. Roast the vegetables and blend the soup up to two days in advance. Store the blended soup in airtight containers in the refrigerator and reheat gently on the stove, adding a splash of broth if needed. Garnish fresh just before serving.

technical
Q

What does the YouTube channel Ronica specialize in?

A

The YouTube channel Ronica focuses on approachable, health‑conscious home cooking with a strong emphasis on Asian-inspired flavors, vegan adaptations, and step‑by‑step visual guides for everyday cooks.

channel
Q

How does the YouTube channel Ronica's approach to Thai cooking differ from other Thai cooking channels?

A

Ronica blends traditional Thai techniques with Western-friendly ingredients like butternut squash and vegan fish sauce, offering clear, concise tutorials that prioritize plant‑based options and quick prep methods, unlike many channels that stick strictly to classic recipes.

channel

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