Need something hot and nourishing that you can make in just 10 minutes? This creamy, savory easy romaine lettuce soup will warm your bones on chilly nights (or any night of the year, really). Plus, you won’t believe it’s dairy-free!
Without doubt, many people think romaine lettuce belongs in a Caesar salad, not soup.
But hear me out … allow me a minute to convince you why romaine, aka “cos” lettuce, is perfect for this recipe.
Before I state my case, I will admit that easy romaine lettuce soup doesn’t sound as appetizing as my other keto soup recipes.
Easy Lobster Bisque: no explanation needed.
Taco Soup: yeah, I’m proud of that one.
Zuppa Toscana: Molto delizioso!
Why lettuce soup?
Yes, these recipes I’ve come up with are instant hits with my family and followers. But featuring one with cos lettuce? Yeah, I’ve got to do some convincing, so here goes….
First of all, the recipe has more ingredients than just lettuce. We’ll get to them shortly….
Don’t think of romaine as a bland, devoid-of-nutrition, first-cousin of iceberg lettuce. On the contrary, it’s nutrient dense.
It’s got vitamins C, K, A, and B9 (folate). And it contains calcium, magnesium, phosphorous, and potassium.
Plus, if you’re watching your net carbs, this easy romaine lettuce soup is perfect. A whole cup of the lettuce contains just a couple grams of carbs.
And the total carb content for per serving is only 4 grams.
Reasons to use ghee
If you want to make a lettuce soup that will live in infamy, you’ve got to use healthy fats in the recipe. And for this easy romaine lettuce soup, I’m using ghee.
Also known as “clarified butter,” ghee is a staple in Indian cooking. The main difference between regular butter and ghee is that in making ghee, the milk solids are removed.
I love using ghee because, like coconut oil, it contains medium-chain fatty acids (MCTs). This particular type of dietary fat molecular structure is thought to be beneficial for heart health.
Ghee doesn’t taste exactly like butter; it’s often described as having a nuttier, richer taste. It’s sort of like eating the oil that melts from regular butter, if you can picture what that tastes like.
Stock Or Broth?
No soup is worth it’s salt unless it has a savory liquid to slurp. But what’s the best liquid base?
Should you use stock or bone broth? And what’s the difference between the two?
The main difference is that stock is simmered for a much shorter amount of time than bone broth.
True bone broth, one that uses all-natural ingredients and free-range chicken parts, needs to simmer for at least 24 hours.
It takes that long for the collagen protein from the chicken parts to fully leach into the broth. Your body’s most abundant protein is collagen.
However, as you get older, the collagen that keeps your skin smooth and youthful-looking starts to break down. So, too, does the collagen in your joints.
It’s by consuming the collagen from the chicken that we can strengthen our own internal collagen.
That’s why it’s worth it to pay the extra money and buy bone broth.
Other recipes
Enjoy this super simple recipe! Here’s a few other autoimmune friendly soup recipes that I love:
- AIP Hamburger Stew
- Low Carb Beef Soup
- Brussels Sprout Soup
- Cabbage and Kale Soup
- Low Carb Chicken Noodle Soup
Not only are these soups comforting, they are packed with healthy nutrients too. Enjoy!
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📖 Recipe
Easy Romaine Lettuce Soup
Video
Ingredients
- ½ small onion
- 2 cloves garlic minced
- 3 tablespoons butter flavored coconut oil or ghee
- 1 tablespoon fresh basil chopped fine
- 1 tablespoon fresh parsley chopped fine
- 1 teaspoon salt
- ⅛ teaspoon black pepper ground (omit for AIP)
- 2 cups cauliflower chopped
- 8 cups romaine lettuce chopped
- 4 cups chicken broth (preferably bone broth) use vegetable broth for vegan
Instructions
- Sauté onion and garlic in ghee or butter until onion is translucent, about 5 minutes over medium heat.
- Add seasonings (basil, parsley, salt, pepper) stir and cook another minute.
- Stir in the remaining ingredients (cauliflower, lettuce, bone broth) then simmer covered for about 15 minutes.
- Using an immersion blender (or regular blender), purée the soup. Add in additional salt and pepper to taste.
Notes
Low Carb Sweeteners | Keto Sweetener Conversion Chart
Nutrition
Additional Info
Note on Nutritional Information
Nutritional information for the recipe is provided as a courtesy and is approximate only. We cannot guarantee the accuracy of the nutritional information given for any recipe on this site. Erythritol carbs are not included in carb counts as it has been shown not to impact blood sugar. Net carbs are the total carbs minus fiber.
Unauthorized use of this material without written permission from Lisa MarcAurele is strictly prohibited unless for personal offline purposes.
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Margaret
This was surprisingly good. Always thought lettuce was for salads, but this is different and good. Even he liked it. Adventures in cooking and good easy nutrition, nothing boring. Admit this: I had 2 left over sausages, cut them slices and put in bottom of bowl, added the soup on top, so good. Second serving was without the additions; still very good. Thank you for this.
Tonya
Hi! I’m going to he making this tomorrow and am looking for recommendations on what to serve along side this. Thank you, and I can’t wait to try this unique recipe out!
Sue
I’m making this today and will freeze to test. Have you frozen it? Also I’m substituting the cauliflower. It doesn’t like me…carrots and zucchini instead. Thoughts?
Lisa MarcAurele
Zucchini would be a good sub. I haven’t frozen it, but it should be fine to freeze for longer storage.
Lauren Vavala @ DeliciousLittleBites
I have never seen a soup featuring lettuce like this before! I’m low carb most of the time and my oldest son has some weird addiction to lettuce. Going to have to try this one for sure!
Lisa
I hope your son enjoys the soup. My daughter liked it.
Claudia Lamascolo
this is a new one for me and as much as I love soup and salad this is a brilliant idea to put it in a soup! WOW never thought of this
Lisa
It’s so good Claudia. You need to give it a try.
Jennifer
I have an autoimmune disease and my doctor has me on a special diet, I’m so excited that I can have every ingredient in this soup without any modifications! Thank you!
Lisa
Enjoy the soup Jennifer!
Danielle
I keep hearing about lettuce soup, but I have never tried it. It’s a great way to reduce waste though.
Lisa
I like it much better than salad.
Kelly Anthony
This is so interesting! I never ever would have thought to put lettuce in a recipe! You make it look great!
Lisa
It’s really delicious. You should give it a try!