Creamy Oat-Thickened Mushroom Soup (No Cream, No Blender)

Creamy Oat-Thickened Mushroom Soup (No Cream, No Blender) is a easy Modern American recipe that serves 4. 180 calories per serving.

Prep: 10 min | Cook: 35 min | Total: 55 min

Cost: $7.45 total, $1.86 per serving

Ingredients

  • 1-2 tablespoons Olive oil (For sautéing)
  • 1 medium Yellow onion (Chopped)
  • 2 cloves Garlic cloves (Minced)
  • 500 grams White button mushrooms (Sliced; about 1 pound)
  • 1/2 cup Rolled oats (Old-fashioned, not instant)
  • 4 cups Vegetable broth (Low-sodium preferred)
  • 1 teaspoon Salt (To taste)
  • 1/2 teaspoon Black pepper (To taste, freshly ground preferred)
  • 1/4 teaspoon Dried thyme (Optional, or to taste)
  • 2 tablespoons Greek yogurt (Plain, full-fat or low-fat)
  • 1 tablespoon Soy sauce (Regular or low-sodium)
  • 2 tablespoons Fresh parsley (Finely chopped, for garnish)
  • 1 cup Cooked white beans (optional) (For extra protein, added at the end)

Instructions

  1. Prep vegetables

    Chop the onion, mince the garlic, and slice the mushrooms. Finely chop the parsley for garnish.

    Time: PT7M

  2. Sauté onion and garlic

    Heat 1-2 tablespoons olive oil in a medium pot over medium heat. Add chopped onion and garlic. Cook, stirring frequently, until soft and fragrant but not browned, about 3-4 minutes.

    Time: PT4M

    Temperature: Medium heat

  3. Cook mushrooms

    Add sliced mushrooms to the pot. Cook, stirring occasionally, until mushrooms release their moisture and most of the liquid evaporates, about 8-10 minutes. Mushrooms should start to caramelize slightly.

    Time: PT10M

    Temperature: Medium-high heat

  4. Toast oats

    Add 1/2 cup rolled oats to the pot. Stir and toast for 1 minute to bring out a nutty flavor.

    Time: PT1M

    Temperature: Medium heat

  5. Add broth and seasonings

    Pour in 4 cups vegetable broth. Add salt, black pepper, and a pinch of dried thyme. Stir well to combine.

    Time: PT1M

  6. Simmer soup

    Bring the soup to a gentle simmer. Cook uncovered for 30 minutes, stirring occasionally, until oats are soft and soup is thickened.

    Time: PT30M

    Temperature: Simmer (low-medium heat)

  7. Finish soup

    Remove pot from heat. Stir in 2 tablespoons Greek yogurt and 1 tablespoon soy sauce. Mix until fully incorporated. Taste and adjust seasoning if needed.

    Time: PT1M

  8. Garnish and serve

    Ladle soup into bowls. Garnish with chopped parsley. Serve hot.

    Time: PT1M

  9. Cleanup

    Wash the pot, cutting board, knife, spoon, measuring cups, and serving bowls. Wipe down counters and stove.

    Time: PT10M

Nutrition Facts

Calories
180
Protein
7g
Carbohydrates
28g
Fat
5g
Fiber
5g

Dietary info: Vegetarian, High fiber, No added cream, No flour, low-calorie, very-low-calorie, low-fat, high-fiber

Allergens: Dairy (Greek yogurt), Soy (soy sauce)

Last updated: April 11, 2026

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Creamy Oat-Thickened Mushroom Soup (No Cream, No Blender)

A rich, creamy mushroom soup thickened with rolled oats instead of cream or flour. This easy, nourishing soup is full of fiber, protein, and umami flavor, and comes together in one pot with no need for a blender.

EasyModern AmericanServes 4

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

Source Video
21m
Prep
44m
Cook
10m
Cleanup
1h 15m
Total

Cost Breakdown

$7.45
Total cost
$1.86
Per serving

Critical Success Points

  • Cook mushrooms until all moisture is gone and they begin to caramelize for maximum flavor and creaminess.
  • Simmer soup long enough for oats to fully soften and thicken the soup.

Safety Warnings

  • Use caution when chopping vegetables.
  • Hot soup and steam can burn; handle pot carefully.
  • Let soup cool slightly before adding yogurt to prevent curdling.

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