Can I make this fennel celeriac soup vegetarian?

Yes, this soup is already vegetarian as written. The recipe uses vegetable bouillon, coconut milk, and nutritional yeast to create depth of flavor without any animal products in the soup base. Just make sure to skip the bacon topping or replace it with a vegetarian alternative like coconut bacon, smoked tempeh, or additional shiitake mushrooms prepared with extra smoked paprika for that savory, smoky element. The soup itself remains creamy and satisfying even without the toppings.

Can I freeze creamy soups?

Absolutely! This fennel celeriac soup freezes exceptionally well. The coconut milk base actually freezes better than dairy-based creamy soups, as it's less likely to separate when thawed. To freeze properly, cool the soup completely first, then transfer to airtight containers leaving about an inch of headspace for expansion. Freeze for up to 3 months. Thaw overnight in the refrigerator and reheat gently on the stovetop, stirring occasionally. You may need to add a splash of water or broth when reheating as the soup might thicken slightly after freezing.

Does fennel make the soup taste sweet?

Fennel does contribute a mild natural sweetness to the soup, especially after roasting, which caramelizes its natural sugars. However, this sweetness is subtle and balanced by the earthiness of the celeriac and the savory elements like the vegetable bouillon and nutritional yeast. The final flavor profile is complex – slightly sweet with hints of anise (similar to licorice) from the fennel, but predominantly savory and creamy. If you're concerned about sweetness, you can reduce the fennel and increase the celeriac proportion.

Can I replace celeriac in this recipe?

Yes, if celeriac is unavailable, you can substitute with parsnips, turnips, or even cauliflower for a similar creamy, earthy quality. Parsnips offer natural sweetness that works well with the fennel, while cauliflower provides a neutral base that allows the fennel flavor to shine. Another excellent substitute is a combination of celery stalks and additional potatoes, which approximates celeriac's flavor profile. Each substitute will slightly alter the final taste, but the soup will still be delicious. Just maintain the same volume of vegetables for proper consistency.

How crispy should the bacon be?

The bacon (beef or turkey) should be very crispy for this recipe, as it provides crucial textural contrast to the creamy soup. Cook it until it's deeply browned and rigid when lifted with tongs. This ensures it will maintain some crispness even when placed atop the hot soup. If the bacon isn't crispy enough, it will become soggy quickly and lose its textural appeal. Allow the cooked bacon to drain on paper towels before chopping to remove excess fat, which helps maintain crispness longer.

Can I prepare the mushrooms ahead of time?

Yes, the smoky shiitake mushrooms can be prepared up to two days in advance. Cook them completely as directed, then cool and store in an airtight container in the refrigerator. When ready to serve, quickly reheat them in a dry skillet over medium heat just until warmed through – about 1-2 minutes. This brief reheating will help restore some of their crispness without overcooking them. Preparing the mushrooms ahead is a great time-saver, especially when serving this soup for a dinner party or special occasion.

Best Fennel Celeriac Soup Recipe: Creamy, Smoky & Delicious

Fennel Celeriac Soup

Print Recipe

Creamy, dairy-free fennel celeriac soup with smoky shiitake mushrooms and crispy bacon topping – a sophisticated comfort food that’s surprisingly easy to make.

Author: Chef Rina
Prep Time: 25
Cook Time: 45
Total Time: 1 hour 10 minutes
Yield: 4 1x
Category: Soup
Cuisine: Modern European

Ingredients

Scale

For the Soup

1 large fennel bulb (or 2 smaller), trimmed and cored
1 large shallot, roughly chopped
2 tablespoons olive oil, divided
3 small yellow potatoes, diced into 1-inch pieces
1 medium celeriac, peeled and cut into 1-inch cubes
1 can (13.5 oz) full-fat coconut milk
1 vegetable bouillon cube
2 tablespoons nutritional yeast
Sea salt, to taste

For the Smoky Shiitake Topping

4 ounces shiitake mushrooms, stems removed and sliced
1 tablespoon olive oil
⅛ teaspoon granulated garlic
½ teaspoon smoked paprika
1 teaspoon tamari or soy sauce

For the Crispy Bacon

4–6 slices beef bacon or turkey bacon (no pork)
1 teaspoon olive oil (if needed)
Optional Garnish
Fennel fronds

Shredded vegan or regular cheese

Instructions

Preheat oven to 425°F. Chop fennel and shallot, place on sheet pan, drizzle with olive oil, season with salt, and roast for 25-30 minutes until caramelized.
Meanwhile, add diced potatoes and celeriac to a pot, cover with water, and boil for 12-15 minutes until fork-tender. Drain and rinse with cool water.
Combine roasted fennel, shallot, coconut milk, bouillon, and nutritional yeast in a blender and blend until smooth. Add cooked potatoes and celeriac, then pulse several times without over-blending.
Return soup to pot and warm gently over medium heat. Season with salt to taste.
For shiitakes, heat oil in a skillet over medium heat, add sliced mushrooms, granulated garlic, smoked paprika, and tamari. Cook 5-7 minutes until golden and slightly crisp.
Cook beef or turkey bacon in a skillet until crisp (4-6 minutes), then chop into bite-sized pieces.
Serve soup topped with smoky shiitakes, crispy bacon, and optional garnishes of fennel fronds or shredded cheese.

Notes

This soup freezes well for up to 3 months. Store toppings separately from soup for best results. For a vegetarian version, simply omit the bacon topping or replace with additional seasoned mushrooms. Nutrition facts are estimates and may vary based on ingredients used, portion sizes, and preparation methods.

Nutrition

Serving Size: 4
Calories: 320 kcal
Sugar: 6g
Sodium: 450mg
Fat: 24g
Saturated Fat: 14g
Carbohydrates: 25g
Fiber: 5g
Protein: 8g
Cholesterol: 15mg

Keywords: fennel celeriac soup, creamy soup, dairy-free soup, root vegetable soup, shiitake mushroom topping, fennel soup

Find it online: https://www.joyliciousrecipes.com/fennel-celeriac-soup/