A warm, comforting slow cooker cabbage and onion soup made with tender cabbage, sweet onions, garlic, and a flavorful savory broth. This simple recipe requires minimal preparation and slowly cooks into a delicious, hearty meal. Perfect for busy weeknights!

Prep Time: 15 minutes
Cook Time: 5–6 hours (LOW) or 3–4 hours (HIGH)
Total Time: 5 hours 15 minutes
Servings: 6
Course: Soup / Main Course
Cuisine: American

Ingredients

  • 1 medium green cabbage, chopped into bite-sized pieces
  • 2 large yellow onions, thinly sliced
  • 3 cloves garlic, minced
  • 4 cups low-sodium beef broth (or vegetable broth)
  • 2 tablespoons butter
  • 1 tablespoon olive oil
  • 1 tablespoon Worcestershire sauce
  • 1 teaspoon onion powder
  • ½ teaspoon garlic powder
  • ½ teaspoon smoked paprika
  • ½ teaspoon dried thyme
  • ½ teaspoon black pepper
  • ½ teaspoon salt, or to taste
  • 1 tablespoon apple cider vinegar
  • 1 bay leaf

Instructions

Step 1: Prepare the Vegetables

Wash and chop the cabbage into bite-sized pieces. Thinly slice the onions and mince the garlic.

Step 2: Layer the Ingredients

Add the chopped cabbage and sliced onions to your slow cooker. Sprinkle the minced garlic over the vegetables.

Step 3: Add the Seasonings

Add butter, olive oil, Worcestershire sauce, onion powder, garlic powder, smoked paprika, thyme, black pepper, and salt.

Step 4: Pour in the Broth

Pour the beef broth over the vegetables. Add the bay leaf and gently stir to combine everything.

Step 5: Slow Cook

Cover and cook on LOW for 5–6 hours or HIGH for 3–4 hours, until the cabbage and onions are tender.

Step 6: Finish and Serve

Remove the bay leaf. Stir in the apple cider vinegar and taste for seasoning. Serve warm in bowls with fresh parsley if desired.

Helpful Tips

  • For extra flavor: Sauté the onions in butter before adding them to the slow cooker.
  • For a richer broth: Use beef broth instead of vegetable broth.
  • For extra protein: Add cooked shredded chicken, ground beef, or sliced smoked sausage.
  • For a little heat: Add red pepper flakes.
  • For a low-sodium version: Use unsalted butter and no-salt-added broth, and reduce or omit added salt.

Nutritional Information

Estimated per serving; based on 6 servings.

NutrientAmount
Calories125 kcal
Protein4 g
Carbohydrates15 g
Fat7 g
Fiber4 g
Sugar7 g
Sodium480 mg
Net Carbs11 g

Actual nutrition will vary depending on the broth and ingredients used.

Nut Information & Allergens

  • Tree nuts: None in the basic recipe.
  • Peanuts: None.
  • Almonds: None.
  • Walnuts: None.
  • Cashews: None.
  • Gluten: Worcestershire sauce and broth may contain gluten depending on the brand. Check labels.
  • Dairy: Contains butter.
  • Soy: Check Worcestershire sauce and broth labels for possible soy ingredients.

Nut Allergy Note: This recipe is naturally nut-free based on the listed ingredients. Always check packaged ingredient labels and avoid cross-contamination if cooking for someone with a nut allergy.

Frequently Asked Questions (Q&A)

Q1: Can I make this cabbage soup without beef broth?

Yes! Vegetable broth or chicken broth works beautifully.

Q2: Can I cook this recipe overnight?

Yes, you can cook it on LOW for approximately 5–6 hours. Avoid leaving it cooking longer than necessary, as the cabbage may become too soft.

Q3: Can I add potatoes?

Absolutely! Add 2 diced potatoes for a heartier soup. Make sure they are tender before serving.

Q4: Can I add meat to this recipe?

Yes! Cooked ground beef, shredded chicken, or smoked sausage are delicious additions.

Q5: Is this recipe keto-friendly?

Cabbage is relatively low in carbohydrates, but onions contribute additional carbs. For a lower-carb version, reduce the onions and check the broth ingredients.

Q6: Is this recipe gluten-free?

It can be made gluten-free by choosing certified gluten-free broth and Worcestershire sauce.

Q7: How do I store leftovers?

Store cooled soup in an airtight container in the refrigerator for up to 4 days.

Q8: Can I freeze cabbage soup?

Yes! Freeze in airtight, freezer-safe containers for up to 3 months. Thaw overnight in the refrigerator and reheat thoroughly.

Q9: Can I make this on the stovetop?

Yes! Simmer everything in a large pot for approximately 30–40 minutes, or until the cabbage is tender.

Q10: How can I make the broth more flavorful?

Caramelized onions, extra garlic, fresh thyme, and a splash of apple cider vinegar will add wonderful flavor.

Serving Suggestions

  • Crusty whole-grain bread
  • Grilled chicken breast
  • Roasted vegetables
  • Fresh garden salad
  • Parmesan cheese sprinkled on top
  • A side of garlic toast

Storage: Refrigerate for up to 4 days or freeze for up to 3 months.