Soups, Stews & Chili

Creamy Mushroom Wild Rice Soup with Thyme and Garlic

By Clara ·
November 1, 2026

The broth starts to smell earthy as the mushrooms brown, and that’s when this soup begins to feel like more than a pot of rice and vegetables. I like the contrast here: wild rice stays pleasantly chewy while the cream softens the broth around it. A bowl is filling without feeling heavy, and the garlic and thyme give the whole pot a warm, savory note.

Wild rice needs more time than ordinary white rice, but that longer simmer is part of what makes the texture work. The grains soften gradually and some split open, releasing enough starch to give the broth a little body without turning the soup into porridge. Once the cream goes in, the finished soup is smooth, with tender vegetables and distinct grains in every spoonful.

Why the Mushrooms Need Their Own Turn in the Pot

Mushrooms release a surprising amount of moisture as they cook. If they share the pot with the onion, carrots, and celery from the start, that liquid has to evaporate while the vegetables are softening, and the mushrooms are more likely to steam than brown. Cooking them first gives them room to lose their moisture and develop deeper, more savory flavor before anything else goes in.

Watch for two changes before transferring them to a bowl: the slices should look browned, and the liquid that collected in the pot should be gone. Stir occasionally, but give the mushrooms a little time between stirs so they can make contact with the hot pot. That first round of browning also leaves savory bits behind; cooking the vegetables in the same pot picks up that flavor rather than leaving it behind.

The Ingredients That Give This Soup Its Body, Not Just Its Flavor

• Cremini mushrooms — Their savory, earthy taste stands up to the cream and wild rice. White button mushrooms work as a milder substitute; slice them evenly so they brown at about the same pace.
• Wild rice — This is what gives the soup its firm, nutty bite. Rinsing it before cooking clears away loose surface starch and debris. A true wild rice has a different texture from ordinary rice, so it’s worth choosing it when you want the grains to stay distinct.
• All-purpose flour — The flour is stirred into the butter and vegetables before the broth is added, which thickens the liquid as it simmers. For a gluten-free adaptation, use a measure-for-measure gluten-free flour blend in its place; the finished broth may have a slightly different texture depending on the blend.
• Chicken broth — It supplies the savory base, so use a broth whose flavor you like on its own. A lower-sodium chicken broth is a useful choice if you prefer to control the saltiness more closely.
• Heavy cream — It brings a smooth, full-bodied finish. Half-and-half can stand in if that’s what you have, but the soup will be thinner and less rich.
• Garlic and dried thyme — Garlic cooks briefly so it turns fragrant without scorching, while dried thyme has time to infuse the broth during the long simmer. Keep the garlic minced finely so it distributes through the soup instead of leaving large bites.

Building the Soup in the Same Pot Without Losing the Browned Flavor

Brown the Mushrooms Until the Pot Is Dry

Heat the olive oil in a 6-quart Dutch oven or heavy pot over medium-high heat, then add the sliced mushrooms and 1 teaspoon of the salt. Cook for 8 to 10 minutes, stirring occasionally, until the mushrooms are browned and their released liquid has evaporated. If the pot still has visible liquid, give it a little longer; the mushrooms need to brown, not simmer in their own juices. Transfer them to a bowl while you build the base.

Soften the Vegetables in the Mushroom Pot

Melt the butter in the same pot over medium heat, then add the diced onion, carrots, and celery. Cook for 5 to 7 minutes, stirring occasionally, until the onion has softened. The vegetables should look glossy and start to relax, but they don’t need to brown. Keep the heat at medium so the butter and the browned bits on the bottom don’t scorch.

Coat the Vegetables with Garlic, Thyme, and Flour

Stir in the minced garlic and dried thyme and cook for 30 seconds, just until fragrant. Sprinkle in the flour and stir for 1 minute so it coats the vegetables and cooks in the butter. Don’t add the broth before the flour is mixed through; an even coating helps the soup thicken smoothly. If the mixture looks pasty, that’s expected at this stage.

Whisk in the Broth and Let the Rice Simmer

Gradually whisk in the chicken broth until the mixture is smooth, then stir in the rinsed wild rice, browned mushrooms, remaining 1/2 teaspoon salt, and black pepper. Bring the soup to a boil, then reduce the heat to maintain a gentle simmer and cook partially covered for 50 to 60 minutes, stirring occasionally. The rice is ready when it’s tender and some grains have split; if it’s still firm, simmer for 5 to 10 minutes longer. Keep the simmer gentle rather than letting the pot boil hard.

Finish with Cream Once the Rice Is Tender

Stir in the heavy cream and cook gently for 2 to 3 minutes, until the soup is heated through. The broth should look creamy, with rice and mushrooms spread evenly through it. Taste a spoonful before serving so you can check the balance of the broth, rice, and seasoning together. Ladle while the soup is hot and the grains still have their pleasant chew.

Three Simple Ways to Adapt This Mushroom and Wild Rice Soup

Questions That Come Up When Making This Wild Rice Soup

Creamy Mushroom Wild Rice Soup with Thyme and Garlic

Creamy mushroom wild rice soup simmers in a Dutch oven with cremini mushrooms, thyme, and garlic until the rice is tender and some grains split. A finish of heavy cream gives the broth a smooth, velvety texture.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 1 hour hr 15 minutes mins

Total Time 1 hour hr 30 minutes mins

Servings: 8 servings

Course: Dinner

Cuisine: American

Calories: 305

Ingredients Equipment Method Notes

Ingredients

  

• 2 tbsp olive oil
• 1 lb cremini mushrooms sliced
• 1.5 tsp kosher salt divided
• 3 tbsp unsalted butter
• 1 yellow onion medium, diced
• 2 carrots medium, diced
• 2 celery ribs, diced
• 3 cloves garlic minced
• 1 tsp dried thyme
• 0.33 cup all-purpose flour
• 8 cups chicken broth
• 1 cup wild rice uncooked, rinsed
• 0.5 tsp black pepper
• 1 cup heavy cream

Equipment

• 1 6-quart Dutch oven

Method

 

1. Heat the olive oil in a 6-quart Dutch oven or heavy pot over medium-high heat, add the mushrooms and 1 teaspoon of the salt, and cook for 8-10 minutes, stirring occasionally, until browned and their released liquid has evaporated. Transfer the mushrooms to a bowl.
2. Melt the butter in the same pot over medium heat, add the onion, carrots, and celery, and cook for 5-7 minutes, stirring occasionally, until the onion is softened.
3. Stir in the garlic and thyme and cook for 30 seconds, then sprinkle in the flour and stir for 1 minute.
4. Gradually whisk in the chicken broth until smooth, then stir in the wild rice, browned mushrooms, remaining 1/2 teaspoon salt, and black pepper.
5. Bring the soup to a boil, reduce the heat to maintain a gentle simmer, and cook partially covered for 50-60 minutes, stirring occasionally, until the rice is tender and some grains have split; simmer 5-10 minutes longer if needed.
6. Stir in the heavy cream and cook gently for 2-3 minutes, without boiling, until heated through.

Notes

For the best texture, stir occasionally and add the cream only after the rice is tender. Refrigerate leftovers for up to 4 days; freezing is not recommended because the cream can separate and the rice may soften. For a vegetarian version, use vegetable broth instead of chicken broth.