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Pot of keto vegetable soup with cauliflower, green beans, carrots and spinach in tomato broth

Keto Vegetable Soup

A hearty one-pot vegetable soup without potatoes: onion, celery, carrots, cauliflower and green beans simmered in a tomato beef broth with Italian seasoning, finished with fresh spinach. 5.4g net carbs a serving.
Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes
Course Soup
Cuisine American
Servings 10 servings
Calories 76 kcal

Equipment

  • Large stock pot or Dutch oven 5 quarts or larger
  • Ladle

Ingredients
  

  • 1 tbsp butter
  • 1 tbsp olive oil
  • 1 medium onion chopped
  • 3 stalks celery chopped
  • 2 carrots peeled and chopped
  • 4 cloves garlic minced
  • 2 cups cauliflower florets chopped small
  • 1 1/2 cups fresh green beans trimmed, cut into 1-inch pieces
  • 2 cans (14.5 oz each) canned diced tomatoes with their juice
  • 8 cups beef broth
  • 1 tbsp Worcestershire sauce
  • 1 tbsp Italian seasoning
  • 1 tsp salt plus more to taste
  • 1 tsp cracked black pepper
  • 2 cups fresh spinach

Instructions
 

  • Melt: Heat the butter and olive oil in a large stock pot over medium heat until the butter has melted.
  • Soften: Add the onion, celery, carrots and garlic. Cook for 5 minutes, stirring often.
  • Add: Add the cauliflower florets, green beans, diced tomatoes with their juice, beef broth, Worcestershire sauce and Italian seasoning. Stir to combine.
  • Simmer: Bring to a boil, reduce to a simmer and cook for 25 minutes, or until the vegetables are tender.
  • Finish: Season with the salt and pepper and add the spinach. Stir and cook for 1 to 2 minutes, until the spinach has wilted.
  • Serve: Taste, add more salt and pepper if needed, and serve hot.

Notes

Serving size: about 1 1/4 cups. The recipe makes 10 servings.
Broth: with regular beef broth, add the salt a little at a time. Low-sodium broth lowers the sodium a lot.
Vegetarian: use vegetable broth and leave out the Worcestershire sauce.
Nutrition is for 1 of 10 servings, calculated with regular beef broth.
Storage: up to 5 days in the fridge, or up to 3 months in the freezer.
Keyword Gluten-Free, keto vegetable soup, low carb vegetable soup, vegetable soup, vegetable soup without potatoes