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Looking to meal prep something healthy and delicious? This low-calorie weight loss soup is exactly what you need. Packed with flavorful veggies, it’s perfect for enjoying multiple days in a row!

Please note that this is a low-calorie soup. While I’m not a nutritionist, I’m excited to share my favorite easy weight loss soup with you! It’s perfect for busy weeks when you want a healthy, ready-to-eat meal waiting in your fridge. This recipe cooks for 8 hours, making it ideal for those long workdays. I’ve included my variations and serving ideas for making this soup less boring throughout the week.
Key Ingredients
This peel a pound soup is made from scratch! Find the full recipe with ingredient amounts in the recipe card.
This Slow Cooker Weight Loss Soup is made with simple, fresh veggies like celery, carrots, leeks, green beans, and cabbage. It’s cooked in chicken broth with Italian diced tomatoes, garlic, and seasonings for extra flavor. The zucchini gets added at the end so it doesn’t overcook, keeping it perfectly tender. If you are looking for a Weight Watchers soup, then you have found it!
Variations
Make the soup of your dreams by making it your own. Here are my suggested alterations.
- Vegetable broth works as a substitute, but chicken broth will give the soup more flavor.
- Feel free to use your favorite veggies! You can swap some out or add extras like spinach, kale, bell peppers, mushrooms, cauliflower, broccoli, or even diced sweet potatoes.
- Looking to add protein? Toss in chicken breasts, cooked ground beef, or ground turkey at the start of the cooking time. You can also mix in beans, like cannellini, for a hearty boost.
- Frozen vegetables are a great option too!
- Note, that this is a full pot of soup, so not much can be added.
How to make Weight Loss Soup
Step One: Add the leeks, celery, leeks, green beans, carrots, garlic and canned diced tomatoes to the slow cooker.
Step Two: Next add the cabbage and seasonings. Pour over the chicken broth.
Step Three: Place the lid on the slow cooker and cook on LOW for 8 hours. When that cooking time is up add the thinly sliced zucchini.
Step Four: Cook for 30 minutes longer (on HIGH). Serve and enjoy!
How to make weight loss soup less boring:
Eating this soup all week is bound to get boring. Here is how I jazz it up through the week.
- Add a few dashes of hot sauce, like Tabasco or Tapatio.
- Stir in leftover rice or quinoa for added texture.
- Sprinkle in some Parmesan cheese for extra flavor, this won’t add to many calories.
- Serve with saltine crackers or oyster crackers on the side.
- Mix in a small spoonful of pesto for a fresh, herby twist.
Featured Comment
“Excellent soup! I made it with cannellini beans. Thank you for the recipe!”
– Mariann
Weight Loss Soup
How to Video
Ingredients
- 3 celery ribs, sliced (2 cups)
- 3-4 carrots, sliced (2 cups)
- 1 large leek, diced (about 2 cups)
- ½ lb. green beans, trimmed and sliced in half, (about 2 cups)
- 14.5 oz. can Italian diced tomatoes
- 2 garlic cloves, minced
- 7 cups chopped cabbage (I do 1-inch pieces), (this is about a 1/2 a head of cabbage)
- 2 tsp. Italian herb seasoning
- 1 tsp. curry powder
- 1 ½ tsp. salt
- ¼ tsp. freshly ground pepper
- 64 oz. chicken broth, (I use two-32 oz. boxes)
WAIT TO ADD
- 2 small zucchini, halved and thinly sliced
Instructions
- Add all the vegetables, canned tomatoes, and seasonings to the slow cooker. (wait to add the zucchini).
- Pour over the chicken broth and stir.
- Place the lid on the slow cooker and cook on LOW for 8 hours.
- When the cooking time is up, add the sliced zucchini and cook for 30 minutes longer (on high).
- Stir, serve and enjoy!
Sarah’s Notes
- Vegetable broth works as a substitute, but chicken broth will give the soup more flavor.
- Feel free to use your favorite veggies! You can swap some out or add extras like spinach, kale, bell peppers, mushrooms, cauliflower, broccoli, or even diced sweet potatoes.
- Looking to add protein? Toss in chicken breasts, cooked ground beef, or ground turkey at the start of the cooking time. You can also mix in beans, like cannellini, for a hearty boost.
- Frozen vegetables are a great option too!
- Add a couple of dashes of hot sauce such as Tabasco or Tapatio.
- Stir in leftover rice or quinoa.
- Add a couple dashes of Parmesan.
- Serve with a few saltine crackers or oyster crackers.
- Stir in a touch of pesto.
- Five days is the max I would keep this soup in the fridge. If you want to store longer consider freezing.
- You can freeze this soup, but of course, the texture may change a bit when thawed.
- Reheat individual portions in the microwave or you can reheat in a saucepan on the stove.
Nutrition
Nutrition info is auto-generated. This information is an estimate; if you are on a special diet, please use your own calculations.
More Soup Recipes:
Slow Cooker Zuppa Toscana is loaded with sausage, potatoes, and kale in a creamy broth—total comfort food.
You can’t go wrong with Crack Potato Soup—it’s cheesy, bacon-packed, and seriously addicting.
Slow Cooker Vegetable Soup is easy to throw together and packed with cozy, hearty flavor.
Slow Cooker Beef and Bean Soup is a super easy, hearty meal that’s perfect for a busy weeknight.
Smoky sausage and tender potatoes make Kielbasa Potato Soup the ultimate cozy dinner.
Excellent soup! I made it with cannellini beans. Thank you for the recipe!
WOW, this was absolutely delicious! I had to size down the vegetables & broth a tad for my 4 qt. crockpot (we are a family of 2) but I kept the tomatoes and spices the same. Not having a leek on hand, I substituted a sweet onion. And since it was a main course for us, I added a pound of Italian seasoned ground turkey. Oh my, the taste was absolutely perfect! This is a definite keeper for us! Thank you for the great recipe!!
I’m so glad you enjoyed this!