Slow Cooker Creamy Mushroom soup is a delightful dish that warms the soul, especially on chilly days. This comforting soup is packed with earthy flavors from a variety of mushrooms and aromatic herbs, creating a cozy meal that anyone will love. Whether you’re looking for a quick lunch, an easy dinner, or a dish to add to your weekly meal prep, this recipe is a fantastic choice. With its vegetarian-friendly ingredients, it’s adaptable for those who prefer dairy-free or gluten-free options. Let’s dive into this delicious recipe!
Why You’ll Love This Slow Cooker Creamy Mushroom
This Slow Cooker Creamy Mushroom soup is not just another soup; it stands out for many reasons. First, it uses a variety of mushrooms like cremini, button, and shiitake, which add depth and richness to the flavor. Second, it’s incredibly easy to prepare, making it perfect for busy weeknights. Third, this recipe is versatile, allowing you to transform it into a slow cooker creamy mushroom risotto or a creamy mushroom pasta slow cooker dish. Additionally, it’s a great source of nutrients, making it one of the best healthy slow cooker creamy mushroom options. Finally, it’s a vegetarian meal that everyone will enjoy!

Ingredients for Slow Cooker Creamy Mushroom
Gather these items:
- 1.5 lbs mixed mushrooms (cremini, button, shiitake, oyster), sliced
- 1 medium yellow onion, finely chopped
- 4 garlic cloves, minced
- 4 cups vegetable broth
- 1 cup heavy cream or full-fat coconut milk
- 2 tablespoons unsalted butter or olive oil
- 2 teaspoons fresh thyme leaves or 1 teaspoon dried
- 1 teaspoon salt
- 0.5 teaspoon freshly ground black pepper
- 0.25 teaspoon crushed red pepper flakes (optional)
- 2 tablespoons all-purpose flour or gluten-free flour
- Fresh parsley or chives, chopped (for garnish)
How to Make Slow Cooker Creamy Mushroom Step-by-Step
- Step 1: Clean and slice mushrooms using a damp cloth or soft brush. Finely chop the onion and mince the garlic. Optionally, sauté half of the mushrooms, garlic, and onion in butter or oil for 5–7 minutes for extra flavor.
- Step 2: Add all mushrooms, garlic, onion, thyme, salt, pepper, red pepper flakes, and vegetable broth to your slow cooker. Stir well.
- Step 3: Cook on LOW for 6–7 hours or HIGH for 3–4 hours, without lifting the lid too often.
- Step 4: Mix flour with some hot broth to form a slurry. Add it to the slow cooker about 30 minutes before the end to thicken the soup.
- Step 5: Use an immersion blender to purée the soup to your desired texture. Blend all or just half.
- Step 6: Stir in cream or coconut milk. Mix well and heat for another 5–10 minutes.
- Step 7: Serve hot with a garnish of parsley or sautéed mushrooms, and some crusty bread on the side.
Pro Tips for the Perfect Slow Cooker Creamy Mushroom
Keep these in mind:
- This recipe is vegetarian and can be made dairy-free or gluten-free.
- It’s great for meal prep and can be stored in the refrigerator for up to 4 days.
- For a richer flavor, consider adding a splash of white wine during cooking.
- Make sure to chop the mushrooms uniformly for even cooking.

Best Ways to Serve Slow Cooker Creamy Mushroom
This soup can be served in numerous ways. Pair it with crusty bread for a simple yet satisfying meal. Alternatively, pour it over cooked rice or pasta to create a hearty creamy mushroom and rice slow cooker dish. You can also use it as a base for a slow cooker creamy mushroom dip that’s perfect for gatherings!
How to Store and Reheat Slow Cooker Creamy Mushroom
To store, let the soup cool completely before transferring it to airtight containers. It can be refrigerated for up to 4 days. To reheat, simply warm it on the stove over low heat until heated through, stirring occasionally. This makes it an excellent choice for meal prep!
Frequently Asked Questions About Slow Cooker Creamy Mushroom
What’s the secret to perfect Slow Cooker Creamy Mushroom?
The secret lies in using a variety of mushrooms to enhance the flavor. Mixing textures and types, such as adding shiitake for umami and cremini for earthiness, creates a depth that elevates this dish. Incorporating fresh herbs like thyme also significantly enhances the taste.
Can I make Slow Cooker Creamy Mushroom ahead of time?
Yes! You can prepare the soup ahead of time and store it in the fridge. Simply reheat when you’re ready to serve. It actually tastes better the next day as the flavors meld together.
How do I avoid common mistakes with Slow Cooker Creamy Mushroom?
To avoid common mistakes, ensure that you do not overcook the mushrooms as they can turn mushy. Also, avoid lifting the lid too often, as this can increase cooking time. Follow the recommended cooking times for best results.
Variations of Slow Cooker Creamy Mushroom You Can Try
There are numerous variations you can explore. For a twist, try adding spinach or kale for added nutrients, making it a vegetarian slow cooker creamy mushroom meal. Alternatively, you can make a slow cooker creamy mushroom chicken dish by adding chicken breasts for a heartier meal. For a gluten-free option, stick with gluten-free flour and serve it over rice.
For more tips on cooking with mushrooms, check out this article. If you’re interested in meal prep ideas, visit this resource. Lastly, learn about the health benefits of mushrooms at this link.
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Slow Cooker Creamy Mushroom Soup: 6 Simple Steps to Comfort
- Total Time: 6 hours 15 minutes
- Yield: Serves 6
- Diet: Vegetarian
Description
This Slow Cooker Creamy Mushroom Soup delivers comforting flavors. Packed with earthy mushrooms and aromatic herbs, it’s perfect for chilly days.
Ingredients
- 1.5 lbs mixed mushrooms (cremini, button, shiitake, oyster), sliced
- 1 medium yellow onion, finely chopped
- 4 garlic cloves, minced
- 4 cups vegetable broth
- 1 cup heavy cream or full-fat coconut milk
- 2 tablespoons unsalted butter or olive oil
- 2 teaspoons fresh thyme leaves or 1 teaspoon dried
- 1 teaspoon salt
- 0.5 teaspoon freshly ground black pepper
- 0.25 teaspoon crushed red pepper flakes (optional)
- 2 tablespoons all-purpose flour or gluten-free flour
- Fresh parsley or chives, chopped (for garnish)
Instructions
- Clean and slice mushrooms using a damp cloth or soft brush. Finely chop onion and mince garlic. Optional: sauté half the mushrooms, garlic, and onion in butter or oil for 5–7 minutes for extra flavor.
- Add all mushrooms, garlic, onion, thyme, salt, pepper, red pepper flakes, and vegetable broth to your slow cooker. Stir well.
- Cook on LOW for 6–7 hours or HIGH for 3–4 hours, without lifting the lid too often.
- Mix flour with some hot broth to form a slurry. Add it to the slow cooker about 30 minutes before the end to thicken the soup.
- Use an immersion blender to purée the soup to your desired texture. Blend all or just half.
- Stir in cream or coconut milk. Mix well and heat for another 5–10 minutes.
- Serve hot with a garnish of parsley or sautéed mushrooms, and some crusty bread on the side.
Notes
- This recipe is vegetarian and can be made dairy-free or gluten-free.
- Great for meal prep and can be stored in the refrigerator for up to 4 days.
- Prep Time: 15 minutes
- Cook Time: 6 hours
- Category: Soup
- Method: Slow Cooker
- Cuisine: American
Nutrition
- Serving Size: 1 cup
- Calories: 220
- Sugar: 3g
- Sodium: 700mg
- Fat: 16g
- Saturated Fat: 8g
- Unsaturated Fat: 0g
- Trans Fat: 0g
- Carbohydrates: 14g
- Fiber: 2g
- Protein: 5g
- Cholesterol: 40mg
Keywords: Slow Cooker, Creamy Mushroom, Soup, Vegetarian