Low Carb soup is a practical way to serve a warm, satisfying dinner without pasta, rice, or potatoes. This chicken and vegetable version uses a short list of familiar ingredients, including onion, celery, carrots, garlic, zucchini, and cauliflower. Cooked shredded chicken makes the broth hearty, while lemon juice adds a bright finish. The soup takes about 50 minutes from start to finish and makes six servings, so it works equally well for a family dinner or several planned lunches.
Thank you for reading this post, don't forget to subscribe!What Makes This Low Carb Soup Useful
This Low Carb soup is built around an uncomplicated one-pot sequence. The vegetables soften first, creating a savory base before broth is added. Because the chicken is already cooked, it does not need a long simmer, and the zucchini and cauliflower can be added near the end so they retain some texture. The result is comforting but not heavy, with enough chicken and vegetables in each bowl to feel like a complete meal.
The recipe is also easy to adjust at the table. Low-sodium broth leaves room to season gradually, and lemon juice wakes up the finished soup without requiring a rich sauce. Cut the vegetables to similar sizes and the pot will cook evenly, which is especially helpful when preparing dinner on a busy evening.
Why the Broth Tastes Full
Olive oil carries the flavor of the onion, celery, and carrots as they cook. A brief 30-second step with garlic, thyme, and Black Pepper releases their aroma without burning the garlic. The broth then gathers those flavors during its gentle simmer. Lemon juice is reserved for the end because its fresh character is easiest to notice when it has not been cooked away.
How to Make Low Carb Soup
Ingredients
- 1 tablespoon olive oil
- 1 medium yellow onion, diced
- 2 stalks celery, diced
- 2 medium carrots, diced
- 3 cloves garlic, minced
- 1 teaspoon dried thyme
- 1/2 teaspoon black pepper
- 6 cups low-sodium chicken broth
- 2 cups cooked shredded chicken
- 2 cups chopped zucchini
- 2 cups chopped cauliflower florets
- 1 tablespoon lemon juice
- 2 tablespoons chopped fresh parsley, optional

Method
- Warm olive oil in a large pot over medium heat. Add onion, celery, and carrots; cook 5 minutes until softened.
- Stir in garlic, thyme, and pepper; cook 30 seconds.
- Add broth, bring to a gentle boil, reduce heat, and simmer 15 minutes.
- Add chicken, zucchini, and cauliflower; simmer 10 minutes until tender and hot.
- Stir in lemon juice, taste, and garnish with optional parsley.

Begin by setting out the broth, chicken, and vegetables so the additions are ready when needed. Warm the oil in a large pot over medium heat, then follow the first method step exactly: soften the onion, celery, and carrots for five minutes. They should be tender enough to give up their flavor but still hold their shape. Add the garlic, thyme, and pepper only for the stated 30 seconds, then pour in the broth.
“New family favorite! This Low Carb Soup with Chicken and Vegetables was so flavorful and ridiculously easy. Crowd-pleaser for sure.”
When the broth reaches a gentle boil, reduce the heat and simmer for 15 minutes. Add the cooked chicken, zucchini, and cauliflower together, and simmer for 10 minutes until the vegetables are tender and the chicken is hot. Stir in the lemon juice, taste the broth, and finish with parsley if desired. Keeping the heat gentle helps the vegetables stay pleasant rather than falling apart.
Serving Ideas
Serve Low Carb soup hot in wide bowls so each portion includes chicken, broth, and several vegetables. A simple green salad can accompany it, but the soup is substantial enough to stand alone for lunch. Warm, crusty bread is an optional accompaniment for guests who are not following a low-carb plan; the primary soup itself remains free of pasta, rice, and potatoes.
For a tidy serving routine, stir the pot before ladling so the ingredients remain distributed. A little fresh parsley adds color, while an extra small squeeze of lemon can sharpen a bowl that tastes flat. Add lemon gradually because the tablespoon in the canonical recipe is intended to balance the full pot.
Specific Tips for Better Texture
Dice the onion, celery, and carrots evenly so they soften at the same pace. Chop cauliflower into bite-size florets and zucchini into pieces that are not dramatically smaller than the cauliflower. If the shredded chicken is cold from the refrigerator, allow the soup to return to a gentle simmer after it is added. Avoid a hard boil during the final ten minutes, since vigorous bubbling can make the vegetables soft before serving.
Use a large enough pot to stir comfortably without splashing. Taste only after the lemon juice has been added, then adjust seasoning according to the broth and chicken you used. Optional parsley is a garnish, not a required ingredient, and leaving it out does not change the method.
Optional Variation
Optional variation: add a pinch of Red Pepper flakes with the thyme for gentle heat. This is an optional serving variation, not a change to the primary recipe. Keep the base version as written when you want the clean lemon-and-herb flavor or when serving people with different spice preferences.
Storage and Reheating
Cool leftover low carb soup promptly, then transfer it to covered containers and refrigerate it for three to four days. Divide it into individual portions for convenient lunches. Reheat one portion over medium-low heat until steaming hot throughout, stirring occasionally. If the broth has thickened or reduced in the refrigerator, add a small splash of broth or water before reheating. Warm gently rather than boiling hard so the zucchini and cauliflower keep their texture.
Low Carb Soup FAQs
Is this soup filling?
Yes. Two cups of cooked shredded chicken provide substance, while the broth and vegetables create a generous six-serving yield.
“The Low Carb Soup with Chicken and Vegetables turned out amazing. My kids asked for seconds. Saving this one!”
Can I use leftover roast chicken?
Yes. Remove bones and skin as needed, then shred enough cooked chicken to measure two cups before adding it at step four.
When should lemon juice be added?
Stir in the tablespoon of lemon juice after the final vegetable simmer. Adding it at the end keeps its bright flavor noticeable.
How many servings does it make?
The recipe makes six servings. Ladle evenly and include both chicken and vegetables in each bowl.

A Warm One-Pot Finish
This low carb soup keeps dinner straightforward: soften the aromatics, season them briefly, build the broth, add the chicken and vegetables, and finish with lemon. The practical quantities, short final simmer, and six-serving yield make it a dependable recipe for a weeknight meal or prepared lunches. Keep the heat gentle, taste at the end, and serve each bowl with a balanced scoop of chicken and vegetables.

Low Carb Soup with Chicken and Vegetables
Ingredients
Ingredients
- 1 tablespoon olive oil
- 1 medium yellow onion diced
- 2 stalks celery diced
- 2 medium carrots diced
- 3 cloves garlic minced
- 1 teaspoon dried thyme
- 1/2 teaspoon black pepper
- 6 cups low-sodium chicken broth
- 2 cups cooked shredded chicken
- 2 cups chopped zucchini
- 2 cups chopped cauliflower florets
- 1 tablespoon lemon juice
- 2 tablespoons chopped fresh parsley
Instructions
Instructions
- Warm olive oil in a large pot over medium heat. Add onion, celery, and carrots; cook 5 minutes until softened.
- Stir in garlic, thyme, and pepper; cook 30 seconds.
- Add broth, bring to a gentle boil, reduce heat, and simmer 15 minutes.
- Add chicken, zucchini, and cauliflower; simmer 10 minutes until tender and hot.
- Stir in lemon juice, taste, and garnish with optional parsley.








