Slow Cooker Vegetable Soup Recipe

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Slow Cooker Vegetable Soup Recipe

Veggie soup with veggie broth is a hearty, healthy dish made with fresh vegetables, herbs, and a rich broth, all slowly cooked to perfection. With only 15 minutes of prep time and 6-8 hours of cooking on low or 3-4 hours on high, this recipe yields six servings of nutritious comfort. The medley of vibrant vegetables like carrots, zucchini, and potatoes marries beautifully with the warm, herby aroma of dried thyme and basil. I first fell in love with this recipe while meal prepping for a particularly busy week, and it’s been a go-to ever since.

Table of Contents

Why is Slow Cooker Vegetable Soup so popular?

Slow Cooker Vegetable Soup is so popular because it’s nutritious, easy to prepare, and perfect for busy schedules. The slow cooker does all the hard work, allowing the flavors of the fresh vegetables and herbs to meld beautifully over time.

  • It’s a nutrient-packed meal. Loaded with veggies like carrots, potatoes, and green beans, this soup packs plenty of vitamins and minerals to boost your health.
  • Minimal prep is needed. Just a bit of chopping and sautéing, and the slow cooker takes it from there.
  • It’s family-friendly. Its classic flavors appeal to a wide range of tastes, making it a hit at the dinner table.
  • It’s budget-friendly. With affordable pantry staples and fresh ingredients, it’s a cost-effective way to feed a crowd.

What ingredients do you need for Slow Cooker Vegetable Soup?

To make Slow Cooker Vegetable Soup, you’ll need a variety of fresh vegetables, pantry staples like canned tomatoes, frozen veggies, and aromatic herbs. Here’s a complete list of ingredients:

The combination of vegetable broth and dried herbs like thyme and basil is key to creating this soup’s comforting and robust flavor. The diced tomatoes and their juices add a tangy richness that perfectly complements the sweetness of the vegetables.

How do you make Slow Cooker Vegetable Soup step by step?

Making Slow Cooker Vegetable Soup is simple with just a little prep and your trusty slow cooker. Here’s how to do it step by step:

Step 1 — Sauté the onion

Heat the olive oil in a skillet over medium heat. Add the diced onion and sauté for 3-4 minutes until softened.

Step 2 — Add the garlic

Add the minced garlic to the skillet and cook for 1 minute until fragrant. Then transfer the onion and garlic mixture to the slow cooker.

Step 3 — Add the vegetables

Place the carrots, celery, potatoes, zucchini, green beans, frozen corn, and frozen peas into the slow cooker.

Step 4 — Add tomatoes and broth

Pour in the diced tomatoes (with their juices) and the vegetable broth into the slow cooker. Ensure everything is well combined.

A bowl of freshly made vegetable soup with colorful vegetables served on a wooden table.

Step 5 — Add the seasonings

Stir in the dried thyme, dried basil, and add the bay leaf. Season with salt and black pepper to taste.

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Step 6 — Slow cook

Secure the lid on the slow cooker and cook on low for 6-8 hours or on high for 3-4 hours, until all the vegetables are tender.

Step 7 — Final touches

Remove the bay leaf before serving. Taste the soup and adjust the seasoning as needed. Ladle it into bowls and garnish with freshly chopped parsley, if desired.

Frequently Asked Questions About Slow Cooker Vegetable Soup

Can I use fresh corn and peas instead of frozen?

Yes, you can substitute fresh corn and peas for frozen ones. Just add them during the last hour of cooking to ensure they don’t become overcooked.

How do I make it taste richer?

To deepen the flavor, consider adding a splash of soy sauce or a teaspoon of tomato paste before cooking. This enhances the umami and overall taste of the broth.

Can I freeze leftovers?

Yes, you can freeze Slow Cooker Vegetable Soup. Let it cool completely, transfer to airtight containers or freezer bags, and store for up to 3 months.

What if I don’t have a slow cooker?

If you don’t have a slow cooker, you can make this on a stovetop. Just simmer the ingredients in a large pot over low heat for about 45-60 minutes until vegetables are tender.

Expert Tips and Pro Shortcuts

  • Chop consistently: Cut all your vegetables into similar-sized pieces to ensure even cooking.
  • Don’t skip sautéing: Cooking the onion and garlic before adding them to the slow cooker enhances their flavor.
  • Use a low-sodium broth: This gives you better control over the salt levels in your soup, allowing you to season it to taste.
  • Add greens last: If adding leafy greens like spinach or kale, mix them in during the last 15 minutes of cooking to prevent them from becoming too soggy.

Storing and Reheating

To store, let the soup cool completely before transferring it to airtight containers. It will keep in the refrigerator for up to 4 days. For longer storage, freeze it in individual portions for up to 3 months.

When reheating, use the stove or microwave. If reheating from frozen, let it thaw overnight in the refrigerator before warming it up.

What to serve with Slow Cooker Vegetable Soup?

Pair this soup with a crusty baguette or sourdough bread for a satisfying meal. A fresh side salad with a zesty vinaigrette would also complement the light flavors of the soup. For something heartier, try serving it with our slow cooker chicken and dumplings.

A bowl of freshly made vegetable soup with colorful vegetables served on a wooden table.

Slow Cooker Vegetable Soup

A hearty and healthy vegetable soup made in the slow cooker, perfect for a comforting meal.
Prep Time 15 minutes
Cook Time 4 hours
Total Time 4 hours 15 minutes
Servings: 6 servings
Course: Soup
Cuisine: American
Calories: 150

Method
 

  1. Heat olive oil in a skillet over medium heat. Add the diced onion and sauté for 3-4 minutes until softened.
  2. Add the minced garlic to the skillet and cook for 1 minute until fragrant. Transfer the onion and garlic mixture to the slow cooker.
  3. Add the carrots, celery, potatoes, zucchini, green beans, frozen corn, and frozen peas to the slow cooker.
  4. Pour in the diced tomatoes (with their juices) and the vegetable broth.
  5. Stir in the dried thyme, dried basil, and add the bay leaf. Season with salt and black pepper to taste.
  6. Cover the slow cooker and cook on low for 6-8 hours or on high for 3-4 hours, until the vegetables are tender.
  7. Remove the bay leaf before serving. Taste and adjust seasoning if needed.
  8. Ladle the soup into bowls and garnish with freshly chopped parsley, if desired.

Notes

Feel free to customize the vegetables based on your preference or what you have on hand. This soup pairs well with crusty bread.
A bowl of freshly made vegetable soup with colorful vegetables served on a wooden table.

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