Vegan Cream of Romaine Lettuce Soup with Garlic Mushrooms
This is a very odd recipe I came up with when I desperately needed to use a head of romaine lettuce and wanted something warm and comforting. The combination of cinnamon and nutmeg gives it a surprisingly sweet and comforting taste. Enjoy if you dare to be adventurous! For a creamier texture, use more flour or replace some of the water with soymilk.
Ingredients
Here’s what you’ll need to embark on this culinary adventure:
- 3 carrots (chopped)
- 20 small mushrooms (chopped-the smaller, the better)
- 1 head romaine lettuce
- 1 tablespoon salt
- 1 dash pepper
- ½ tablespoon cinnamon
- ½ tablespoon nutmeg
- 1 cup whole wheat flour
- ½ tablespoon cashews (finely ground)
- 2 tablespoons almonds (finely ground)
- 2 tablespoons flax seeds
- 1 cup soymilk (fortified with calcium and B12)
- 7 cups water
- 4 tablespoons olive oil
- 3 garlic cloves (finely chopped)
Directions
Step-by-Step Instructions
- Prepare the Lettuce: Put the romaine lettuce through a food processor (or finely grate it). This ensures it blends seamlessly into the soup.
- Sauté the Mushrooms and Garlic: On medium-high heat, in a pan with 2 tablespoons of olive oil, fry the mushrooms and garlic. Add pepper to taste. Sauté until the mushrooms are softened and fragrant, releasing their earthy flavors. This aromatic base is crucial for the soup’s depth.
- Heat the Base: Heat 1 cup of water and 2 tablespoons of olive oil in a large pot. This will form the foundation for the soup’s simmering process.
- Add Vegetables and Seeds: Add the chopped carrots, processed lettuce, flax seeds, and salt to the pot. Simmer these ingredients together, allowing the flavors to meld. The flax seeds will contribute a subtle nuttiness and thickening quality.
- Prepare the Creamy Mixture: In a large bowl, mix the soymilk, remaining 6 cups of water, whole wheat flour, cinnamon, nutmeg, ground cashews, and ground almonds. Whisk until smooth, ensuring no lumps remain. This mixture will provide the soup’s creamy texture and unique flavor profile.
- Combine Ingredients: When the carrots have softened, add the sautéed garlic mushrooms to the pot. Then, pour in the flour/water mixture. Stir continuously to prevent sticking and ensure the soup thickens evenly.
- Season and Simmer: Stir, and add salt and pepper to taste. Adjust seasonings as needed to achieve your desired flavor. Simmer the soup for at least 15 minutes, allowing the flavors to fully develop and the soup to thicken.
- Blend (Optional): You can put the whole soup through a food processor or use an immersion blender to achieve a smooth consistency. Alternatively, enjoy the soup with its hearty chunks of carrot and mushroom.
- Serve and Store: Enjoy the Vegan Cream of Romaine Lettuce Soup immediately! Extra soup can be stored in the fridge for later consumption. Reheat gently on the stovetop or in the microwave.
Quick Facts
- Ready In: 30 minutes
- Ingredients: 15
- Serves: 10
Nutrition Information
- Calories: 151.1
- Calories from Fat: 76 g (50% Daily Value)
- Total Fat: 8.5 g (13% Daily Value)
- Saturated Fat: 1.2 g (5% Daily Value)
- Cholesterol: 0 mg (0% Daily Value)
- Sodium: 743 mg (30% Daily Value)
- Total Carbohydrate: 16.2 g (5% Daily Value)
- Dietary Fiber: 4.9 g (19% Daily Value)
- Sugars: 2.3 g (9% Daily Value)
- Protein: 5.2 g (10% Daily Value)
Tips & Tricks
- Adjusting the Consistency: For a thicker soup, use slightly more flour in the creamy mixture. Alternatively, replace a portion of the water with additional soymilk. For a thinner soup, simply add more water during the simmering process.
- Enhancing the Flavor: Experiment with different herbs and spices to customize the flavor profile. A pinch of smoked paprika can add a smoky depth, while a squeeze of lemon juice can brighten the flavors.
- Nut-Free Option: If you have a nut allergy, you can omit the cashews and almonds. Replace them with an equal amount of sunflower seeds or pumpkin seeds.
- Adding Greens: Feel free to add other leafy greens, such as spinach or kale, along with the romaine lettuce.
- Toasting the Nuts and Seeds: Lightly toasting the almonds, cashews, and flax seeds before grinding them can enhance their flavor and add a nutty aroma to the soup.
- Blending for Smoothness: If you prefer a completely smooth soup, blend it thoroughly using a high-speed blender or immersion blender until creamy. Be careful when blending hot liquids!
- Garnishing: Garnish the soup with a swirl of olive oil, a sprinkle of fresh herbs (such as parsley or chives), or a dollop of vegan sour cream for added richness.
- Meal Prep: This soup is perfect for meal prepping. It stores well in the refrigerator for up to 3 days and can be easily reheated for a quick and healthy lunch or dinner.
- Adjust Sweetness: If you like a sweeter soup, consider adding a teaspoon of maple syrup or agave nectar to the flour/water mixture.
- Spice Level: For a touch of heat, add a pinch of red pepper flakes to the sautéing mushrooms.
Frequently Asked Questions (FAQs)
Can I use a different type of lettuce? While romaine is the star of this recipe, other types of lettuce, like butter lettuce or even iceberg lettuce, could work in a pinch, although the flavor profile will be slightly different.
Is whole wheat flour necessary? No, you can use all-purpose flour or a gluten-free flour blend if you prefer.
Can I use almond milk instead of soymilk? Yes, almond milk works well as a substitute for soymilk. However, keep in mind that soymilk often contains more protein.
What if I don’t have ground cashews or almonds? You can omit them or substitute them with other ground nuts or seeds that you have on hand.
How do I grind the cashews and almonds? Use a food processor, coffee grinder (dedicated to nuts), or a high-speed blender to finely grind the cashews and almonds.
Can I freeze this soup? Yes, this soup freezes well. Allow it to cool completely before transferring it to an airtight container and freezing it for up to 2 months.
How do I reheat the frozen soup? Thaw the soup overnight in the refrigerator and then reheat it on the stovetop or in the microwave.
Can I add other vegetables? Absolutely! Feel free to add other vegetables like celery, potatoes, or zucchini to the soup.
Can I make this soup without a food processor? Yes, you can finely chop the romaine lettuce with a knife instead of using a food processor.
Is there a substitute for flax seeds? Chia seeds can be used as a substitute for flax seeds.
Can I use dried herbs instead of fresh? While fresh herbs are always preferable, you can use dried herbs if necessary. Use about one-third the amount of dried herbs as you would fresh.
How long does this soup last in the refrigerator? This soup will last for up to 3 days in the refrigerator.
What can I serve with this soup? This soup pairs well with crusty bread, a side salad, or a grilled cheese sandwich.
Can I make this soup spicier? Yes, you can add a pinch of red pepper flakes or a dash of hot sauce to make the soup spicier.
What if my soup is too thick? Add more water or vegetable broth to thin the soup to your desired consistency.

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