“Savory Vegan Onion Broth” came into my kitchen one cold winter’s night, right when I needed a warm, comforting meal that was also light and nourishing. I remember wanting something that filled the room with a rich aroma but was simple to make. The idea of “Savory Vegan Onion Broth” hit me while I was peeling a few onions, and as I slowly caramelized them in a large pot, I knew this was going to be a recipe I’d make again and again. There’s something about the slow cooking of onions that feels like magic—releasing sweetness and depth into the broth with just a few basic ingredients.
Crafting the Perfect Flavor
The heart of “Savory Vegan Onion Broth” lies in the onions. I chose a mix of yellow and red onions to bring a balanced flavor, along with garlic and a splash of apple cider vinegar to enhance the taste. Adding a touch of miso paste gave the broth a slight umami punch without overpowering the delicate sweetness of the onions. I let the broth simmer for nearly an hour, watching the flavors slowly meld into one warm, savory harmony. Each time I stirred the pot, the aroma filled the room, wrapping me in the cozy scent of earthy onions.
Adding a Touch of Herbs
For this recipe, I included a handful of fresh herbs—thyme, bay leaves, and a hint of rosemary. These herbs gave the broth a fragrant touch that balanced perfectly with the onion base. I found that leaving the herbs in while the broth simmered allowed the flavors to develop fully. When I finally tasted it, it felt like a bowl of comfort, and I realized just how much flavor could come from something so simple. For a little extra body, I added a bit of nutritional yeast, which rounded out the savory notes beautifully.
What I love about this “Savory Vegan Onion Broth” is its versatility. It’s perfect as a starter, a base for other soups, or even sipped as a nourishing drink on its own. This broth has become one of my go-to recipes when I want to create something warm and inviting without a lot of fuss. Knowing that this vegan onion broth is easy on the stomach and full of flavor makes it even more special to me, and I hope it brings the same warmth to anyone who tries it.
Table of Contents
Chef’s Notes- Savory Vegan Onion Broth
- Take your time here! Cooking the onions on medium-low heat for the full 40-50 minutes is key to achieving that rich, deep caramelization. Stir regularly and scrape the pan to prevent sticking or burning.
- When adding red wine, be sure to scrape up any brown bits from the bottom of the pot, as these add depth and richness to the soup’s flavor.
- For a smooth, stretchy cashew cheese, use a high-speed blender. Ensure the cashews are fully soaked (at least 2 hours) for easier blending.
- Adding a splash of balsamic vinegar during the onion caramelization can give the broth a hint of sweetness and complexity, which pairs beautifully with the savory base.
- Watch closely when broiling the cashew cheese-topped baguette. The cheese should just turn golden without burning, which brings out a rich, nutty flavor.
- Using alternative oils or nut-free ingredients (like sunflower seeds) won’t sacrifice flavor and keeps the soup versatile for different dietary preferences.
Savory Vegan Onion Broth
Dive into the rich, comforting flavors of our Savory Vegan Onion Broth! This delightful soup combines deeply caramelized onions with a robust vegetable broth, topped with a luscious cashew “cheese” that melts to perfection. Perfect for cozy nights or elegant gatherings, this recipe transforms simple ingredients into a gourmet masterpiece. Experience the magic of vegan cooking with every spoonful—it’s sure to become a favorite in your culinary repertoire!
4
bowls15
minutes1
hour10
minutes323
kcal1
hour25
minutesKeep the screen of your device on
Ingredients
1/4 cup plant-based butter or extra virgin olive oil blend Vegan Spread
4 medium yellow onions thinly cut
3/4 tsp white sugar Sweetener
4 cloves garlic finely chopped
1 1/2 tsp dried thyme leaves Herbs
3/4 cup vegan red wine Liquids and Thickeners
3 tbsp all-purpose flour Flour
2 quarts low-sodium vegetable stock Broth
2 whole bay leaves Seasonings
1 1/2 tsp sea salt adjust to preference
Freshly cracked black pepper to taste
1 baguette sliced and toasted
1/4 cup raw cashews soaked for at least 2 hours
1 1/4 cup unsweetened plant-based milk heated
2 tbsp tapioca flour
1 tbsp nutritional yeast flakes
2 tsp fresh lemon juice
1/2 tsp garlic powder
3/4 tsp sea salt
- Alternative Ingredients:
Vegan Butter/Olive Oil: Can substitute with coconut oil or avocado oil for different flavor profiles.
Onions: Sweet onions or shallots can be used for a milder taste.
Red Wine: Substitute with vegetable broth or grape juice for a non-alcoholic version.
All-Purpose Flour: Use gluten-free flour blends if gluten-free is required.
Baguette: Replace with gluten-free bread or gluten-free croutons for dietary restrictions.
Cashews: Almonds or sunflower seeds can be used as a nut-free alternative.
Plant-Based Milk: Oat milk or soy milk can be used if avoiding certain allergens.
Tapioca Flour/Starch: Arrowroot powder or cornstarch can be used as a thickening agent.
Nutritional Yeast: Omit or use a savory herb blend if nutritional yeast is not available.
Sea Salt: Regular table salt can be used as a direct substitute.
Directions
- Caramelizing Onions – In a sizable pot, warm the plant-based butter or oil over medium-low heat. Introduce the thinly sliced onions and sprinkle with white sugar. Cook slowly, stirring frequently to prevent burning, until the onions achieve a deep, golden brown color and become tender, approximately 40-50 minutes.
- Adding Aromatics – Once the onions are caramelized, incorporate the minced garlic and dried thyme. Sauté the mixture for about 30-60 seconds until the garlic becomes fragrant.
- Deglazing and Simmering – Pour in the vegan red wine, increasing the heat to bring the mixture to a simmer. Allow it to reduce gently on medium-low heat for 10-15 minutes, letting the wine evaporate and concentrate the flavors.
- Thickening the Soup – Sprinkle the all-purpose flour over the onion mixture, stirring continuously to avoid lumps. Lower the heat and cook for an additional minute to blend the flour into the base.
- Building the Broth – Gradually add the low-sodium vegetable broth, followed by the bay leaves, sea salt, and freshly ground pepper. Raise the heat to bring the soup back to a gentle boil, then reduce to a simmer for another 10-15 minutes to meld the flavors.
- Preparing Cashew Cheese – Drain the soaked cashews and place them in a high-speed blender. Add the heated plant-based milk, tapioca flour, nutritional yeast, lemon juice, garlic powder, and sea salt. Blend until smooth and creamy.
- Cooking the Cheese – Transfer the blended mixture to a small saucepan over medium heat. Stir frequently to prevent sticking, scraping down the sides as needed. Cook until the mixture thickens and becomes stretchy, about 3-5 minutes, then remove from heat.
- Assembling the Soup – Preheat the broiler to high. Ladle the soup into oven-safe bowls, filling them halfway. Top each with toasted baguette slices, then pour additional soup over the bread without overfilling. Add a generous portion of cashew cheese on each slice.
- Broiling to Perfection – Place the bowls on a baking sheet lined with parchment paper to catch any overflow. Broil for 2-3 minutes until the cheese is golden and bubbly. Keep a close eye to prevent burning.
- Final Touches – Remove the bay leaves from the soup, adjust seasoning if necessary, and serve hot. Enjoy your rich and comforting Vegan French Onion Soup!
Equipment
- large pot
- blender
- baking sheet
- oven
- broiler
- oven-safe bowls
Nutrition Facts
- Calories: 323kcal
- Fat: 13g
- Saturated Fat: 7g
- Cholesterol: 0mg
- Sodium: 577mg
- Potassium: 397mg
- Carbohydrates: 35g
- Fiber: 1g
- Sugar: 1g
- Protein: 11g
- Vitamin A: 0.7IU
- Vitamin C: 0.7mg
- Calcium: 115mg
- Iron: 2.8mg
FAQ- Savory Vegan Onion Broth
Can I make this recipe ahead of time?
Yes, the soup base can be made up to 2 days in advance. Store it in an airtight container in the fridge and reheat gently. Make the cashew cheese and add the toasted baguette right before serving.
Is there a way to make this soup gluten-free?
Absolutely! Swap the all-purpose flour with a gluten-free blend or cornstarch for a thickener. Additionally, choose a gluten-free baguette or bread option for the topping.
Can I freeze this vegan onion broth?
Yes, you can freeze the soup without the baguette and cheese topping for up to 3 months. Thaw in the refrigerator and reheat gently on the stove. Prepare the cashew cheese and bread topping fresh for serving.
What can I use instead of cashew cheese?
If you need a nut-free alternative, try sunflower seeds or silken tofu for the cheese topping. Both create a creamy consistency and can be flavored similarly.
Can I make this without the wine?
Yes, simply replace the wine with more vegetable broth or a splash of grape juice for added depth. This keeps the soup alcohol-free without compromising flavor.
