Slow Cooker Butternut Squash Soup with Parmesan and Sage Tips, FAQ & printable recipe

Tips for success

For a more complex flavor profile, you can roast the squash cubes in the oven for 15 minutes before adding them to the slow cooker, though this is optional. This extra step caramelizes the natural sugars in the squash, providing a deeper, nuttier flavor that enhances the final result significantly if you have the extra time.

If you prefer a thinner soup, you can adjust the final consistency by stirring in a small amount of warm water or vegetable broth after blending.

Always taste the soup after adjusting the liquid, as you may need to add a pinch of salt or pepper to ensure the flavors remain perfectly balanced before you ladle it into the bowls.

Variations

• Spicy Squash Soup: Add a teaspoon of red pepper flakes or a pinch of cayenne pepper during the initial cooking phase to provide a gentle, warming heat that contrasts with the sweetness of the squash.
• Roasted Garlic Addition: Include a whole head of garlic, with the top sliced off, in the slow cooker. Once cooked, squeeze the soft garlic cloves into the soup before blending for a deep, mellow savory flavor.

Storage and make-ahead

Fridge

Store in an airtight container for up to 3 days.

Freezer

Freeze in a freezer-safe container for up to 2 months. Thaw in the refrigerator overnight before reheating.

Reheat

Reheat in a pot on the stovetop over medium heat, stirring occasionally, until steaming hot throughout.

Store any leftover soup in an airtight container once it has cooled to room temperature. It is important to refrigerate the soup within two hours of cooking to ensure safety.

The flavors often develop further overnight, making it a great option for lunch the next day, provided it is stored properly in the coldest part of the refrigerator.

This soup is an excellent candidate for making ahead, as the flavors continue to meld and improve after a day in the refrigerator. You can prepare the entire recipe in advance and keep it in the fridge for up to three days. Simply reheat individual portions on the stovetop or in the microwave until steaming hot before serving.

Serving ideas

Serve the soup in warm bowls to help maintain its temperature.

The addition of freshly grated parmesan is essential for the best experience, as the cheese melts slightly into the hot soup, adding a necessary salty, savory contrast to the inherent sweetness of the roasted squash base. You may also serve it with crusty bread for dipping.

For an elevated presentation, consider garnishing each bowl with a single, small fresh sage leaf or a light drizzle of high-quality extra virgin olive oil.

The visual contrast against the vibrant orange soup makes for an appealing presentation, while the oil adds a subtle richness that complements the natural creaminess of the pureed squash.

Frequently asked questions

Recipe card

Slow Cooker Butternut Squash Soup with Parmesan and Sage

Prep 10 minCook 4 hTotal 4 h 10 minServes 4

Ingredients

• 2 lbs butternut squash, peeled and cubed
• 1 medium yellow onion, sliced
• 4 leaves fresh sage
• 1 cube vegetable bouillon, crumbled
• 4 cups water
• 1/4 cup parmesan cheese, grated for serving

Instructions

1. Place the cubed butternut squash, sliced onion, and fresh sage leaves into the base of the slow cooker. Crumble the vegetable bouillon cube over the top and pour in the water.
2. Cover the slow cooker with its lid. Set to low heat and cook for 4 hours, or until the squash is completely tender when pierced with a fork.
3. Use an immersion blender to process the soup directly in the slow cooker until perfectly smooth and creamy. Ladle the hot soup into bowls and garnish with grated parmesan cheese before serving.

Contains: milk

Estimated nutrition per serving

Calories

145

Protein

3.5 g

Carbohydrates

28 g

Fat

2.5 g

Fiber

4.5 g

Sugar

6 g

Sodium

450 mg

Automatic estimate from the ingredient list, not laboratory-verified.