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Creamy Veggie Soup (Thickened with Oat Flour)
A velvety, wholesome soup that gets its creamy texture from oat flour instead of heavy cream. Packed with a colorful mix of carrots, peas, corn, and beans, this warming bowl is light yet satisfying, perfect for a cozy lunch or gentle dinner.
For 4 servings
- prep
Prep the vegetables.
1.Dice carrot into small cubes.2.Chop green beans into small pieces.3.Finely chop the onion and mince the garlic cloves. - saute · ~4 min
Sauté the aromatics.
Melt butter in a large pot over medium heat. Add chopped onion and minced garlic. Cook, stirring often, until the onion turns soft and translucent, about 3-4 minutes.
TIPAvoid browning the garlic; it turns bitter. Keep the heat at medium. - saute · ~2 min
Sauté the vegetables.
Add the diced carrot, green beans, green peas, and corn kernels to the pot. Stir well and cook for 2 minutes to coat the vegetables in butter and wake up their flavor.
- boil · ~15 min
Simmer the soup base.
Pour in the water. Add salt, dried thyme, and dried oregano. Stir, bring the mixture to a boil, then lower the heat, cover, and simmer gently until the vegetables are fork-tender, about 12-15 minutes.
TIPKeep the lid slightly ajar if the soup threatens to boil over. - mix · ~1 min
Create the oat flour slurry.
In a small bowl, whisk the oat flour into the warm milk until no lumps remain. This slurry will thicken the soup into a creamy texture.
TIPMake sure the milk is warm, not cold, for the smoothest blend. - simmer · ~7 min
Thicken the soup.
Slowly pour the oat flour slurry into the simmering soup, stirring continuously. Let the soup bubble gently for another 5-7 minutes, stirring occasionally, until it visibly thickens to a creamy consistency.
TIPDon't rush this step; the oat flour needs a few minutes of cooking to lose its raw taste. - mix · ~1 min
Finish with black pepper and adjust seasoning.
Stir in the freshly ground black pepper. Taste the soup and adjust salt if needed.
- garnish
Garnish and serve.
Ladle the hot soup into bowls. Sprinkle with chopped fresh parsley and serve immediately.
What to keep in mind.
6 tips from the recipe — small details that make a real difference to the final dish.
- 1For a deeper flavor, sauté the vegetables until they just start to brown before adding water.
- 2Whisk the oat flour slurry thoroughly to avoid lumps ruining the silky texture.
- 3Let the soup simmer for the full 5-7 minutes after adding the slurry to cook out the raw oat taste.
- 4Use frozen peas and corn straight from the bag; there is no need to thaw them first.
- 5The soup thickens more as it cools, so remove it from heat just before it reaches your desired consistency.
- 6This soup can be refrigerated for up to 4 days; the oats may absorb liquid, so thin it with a splash of milk or water when reheating.
Adapt it for your goals.
Vegan
Replace butter with a plant-based butter or olive oil, and use a dairy-free milk like oat or almond. The recipe is already naturally free of cream and egg, making it simple to adapt.
high proteinHigh-protein
Add a can of drained chickpeas or a cup of cooked lentils along with the other vegetables to boost protein and make the soup more filling.
low oilLow-oil
Sauté the onion and garlic in 2 tablespoons of water or vegetable broth instead of butter to reduce fat while keeping the flavor base intact.
spicySpicy
Add 1/2 teaspoon of red pepper flakes or a minced fresh chili along with the garlic for a gentle heat that complements the sweet corn and peas.
creamy potatoCreamy potato
Swap the oat flour for 1 peeled and diced potato added with the water; mash it into the soup before serving for a naturally thick, starchy creaminess.
Why this is on our healthy list.
Rich in Dietary Fiber
Oat flour, carrots, peas, and beans provide soluble and insoluble fiber, which supports healthy digestion and helps maintain steady blood sugar levels.
Packed with Vitamins from Vegetables
Carrots offer beta-carotene (vitamin A) for eye health, while green peas and corn contribute B vitamins and vitamin C to support immunity.
Low in Saturated Fat
This soup uses only a small amount of butter and relies on oat flour for creaminess, making it lower in saturated fat than cream-based soups.
Plant-Based Protein Source
Green peas and beans add plant protein, and oat flour contributes additional protein, making this soup satisfying without relying on meat or dairy.
Frequently asked questions
Yes, you can substitute an equal amount of all-purpose flour, but the soup will have a different, less wholesome flavor and will not be gluten-free.
