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Creamy Roasted Onion + Mushroom Soup

Creamy Roasted Onion + Mushroom Soup

A cozy, creamy soup made with deeply roasted onions and mushrooms, blended to perfection with coconut milk and fresh thyme for a rich, comforting bowl of goodness.

  • Total Time: 50 minutes
  • Yield: 4 servings 1x

Ingredients

Scale
  • 4 large yellow onions, peeled and quartered
  • 16 oz cremini mushrooms, cleaned and halved
  • 4 garlic cloves, peeled
  • 3 tbsp olive oil
  • 4 cups vegetable broth
  • 1 cup full-fat coconut milk
  • 1 tbsp fresh thyme, chopped
  • 1½ tsp salt
  • ½ tsp black pepper
  • 1 tbsp balsamic vinegar (optional)

Instructions

  1. Preheat your oven to 425°F and line a baking sheet with parchment paper.
  2. Toss the onions, mushrooms, and garlic with olive oil, salt, and pepper. Spread them out on the baking sheet.
  3. Roast for 25–30 minutes, until golden and caramelized.
  4. Meanwhile, heat a large pot over medium heat. Add a splash of oil or broth.
  5. Transfer roasted vegetables into the pot. Add broth and thyme.
  6. Simmer for 10 minutes to allow flavors to meld.
  7. Stir in coconut milk and optional balsamic vinegar.
  8. Blend using an immersion blender until smooth, or leave slightly chunky for texture.
  9. Serve hot, garnished with thyme or extra sautéed mushrooms.

Notes

  • Use a mix of mushrooms for deeper flavor.
  • For a thinner soup, add more broth while blending.
  • Store leftovers in the fridge for up to 4 days or freeze for 3 months.
  • Drizzle with truffle oil or add a sprinkle of vegan cheese for extra richness.
  • Author: Monica
  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Category: Soup
  • Method: Roasting and Blending
  • Cuisine: Fusion
  • Diet: Vegan

Nutrition

  • Serving Size: 1 bowl
  • Calories: 285
  • Sugar: 6g
  • Sodium: 780mg
  • Fat: 20g
  • Saturated Fat: 9g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 21g
  • Fiber: 4g
  • Protein: 5g
  • Cholesterol: 0mg

Keywords: creamy mushroom soup, roasted onion soup, vegan soup, fall comfort food, dairy-free soup