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Who says soup is only for cold weather?

This Slow Cooker Summer Minestrone is loaded with fresh vegetables, chickpeas, tomatoes, zucchini and herbs, but unlike the hearty minestrone I crave in winter, I often enjoy this version at room temperature, just as many Italians do.

A drizzle of good olive oil.

A sprinkle of grated Parmesan.

Maybe a slice of crusty bread on the side.

Simple perfection.

And while it tastes wonderful served hot, I find it especially refreshing during the warmer months when I want something nourishing without feeling weighed down.

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Bowl of slow cooker summer minestrone with spoon and crusty bread alongside.

Why You’ll Love This Recipe

  • Loaded with vegetables
  • Easy slow cooker recipe
  • Naturally vegetarian
  • Great for meal prep
  • Delicious hot, warm, or at room temperature
  • Easy to customize
  • Freezer friendly

Ingredients and Substitutions

Tomatoes
Fresh garden tomatoes are wonderful here. But canned crushed tomatoes work beautifully too and are often what I use.

Chickpeas
Chickpeas add protein and fiber.

Not a fan?

Substitute:

  • Cannellini beans
  • Great Northern beans
  • Kidney beans
  • Pinto beans

Carrots, Potatoes, Celery and Onion
The classic soup foundation. No need to be exact here. Add a little more or a little less depending on what you have.

Red Bell Pepper
Adds sweetness and color. Yellow or orange peppers work just as well.

Zucchini
A summer favorite. Yellow squash can easily be substituted.

Vegetable Broth (affiliate link) or Water
Either works. Broth adds more flavor, but I’ve made this soup both ways.

Rice
A little rice helps give the soup body. White rice cooks quickly at the end. Brown rice can be substituted if you prefer whole grains.

Fresh Basil
Stirred in at the end for freshness and bright flavor.

A bowl of slow cooker summer minestrone with a slow cooker full of soup behind.

How to Make Slow Cooker Summer Minestrone

Ideal Slow Cooker Size: 5 to 6 quarts

Step 1: Add to the slow cooker:

  • Tomatoes
  • Chickpeas
  • Carrots
  • Potatoes
  • Onion
  • Celery
  • Garlic
  • Bell pepper
  • Zucchini
  • Water or broth
  • Salt and pepper

Stir well.

Step 2: Cover and cook:

  • LOW for 8 to 9 hours
  • HIGH for 4 to 5 hours

until all the vegetables are tender.

Step 3: Stir in the rice. Cover and cook on HIGH for another 30 minutes, or until the rice is tender.

Step 4: Stir in the fresh basil. Taste and adjust the seasoning.

Serve hot, warm, or allow to cool to room temperature.

If desired, drizzle each serving with a little olive oil and sprinkle with freshly grated Parmesan.

Summer vegetable soup topped with fresh basil and shredded Parmesan cheese in white bowl.
WW Friendly Summer Vegetable Minestrone

Recipe Notes

One of my favorite things about this soup is how adaptable it is.

If chopping vegetables feels relaxing and meditative, use fresh vegetables.

If not?

Frozen vegetables work beautifully too. No judgment here.

bowl of summer minestrone from the front with slow cooker on counter behind

Variations

Different Beans

  • Cannellini beans
  • Kidney beans
  • Pinto beans
  • Great Northern beans

Different Grains

  • Brown rice
  • Small pasta
  • Farro
  • Barley

More Vegetables

  • Green beans
  • Spinach
  • Kale
  • Yellow squash
  • Mushrooms

Brighten the Flavor

Just before serving add:

  • A squeeze of lemon juice
  • Red wine vinegar
  • Balsamic vinegar

How Many Calories and WW Points?

According to my calculations each serving has 191 calories and 1 WW Point.

To see your WW Points for this recipe, track it in the WW App!
(You must be logged into WW on a smartphone or tablet.)

5 PointsPlus (Old plan)

Summer vegetable soup garnished with shredded cheese and fresh basil in white bowl with spoon.
Slow Cooker Summer Minestrone

How I Love to Serve It

One of my favorite ways to enjoy this soup is the Italian way—at room temperature.

With:

Simple food at its best.

A Bowl of Summer

This soup reminds me that simple food doesn’t have to be boring.

A few fresh vegetables. A handful of pantry ingredients. A slow cooker.

And dinner quietly takes care of itself.

If you’ve made this Slow Cooker Summer Minestrone, please give the recipe a star rating below and leave a comment letting me know how you liked it. And stay in touch on Pinterest, Facebook, Instagram and Twitter for the latest updates.

bowl of slow cooker summer minestrone with spoon shot from above
4.18 from 35 votes

Slow Cooker Summer Minestrone

This Slow Cooker Summer Minestrone is an easy vegetable-packed soup with chickpeas, tomatoes, zucchini and rice. Delicious served hot, warm, or at room temperature.
Prep: 30 minutes
Cook: 10 hours 40 minutes
Total: 11 hours 10 minutes
Servings: 8
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Ingredients 

  • 2 cups fresh chopped tomatoes or canned crushed tomatoes
  • 14 ounces canned garbanzo beans, rinsed and drained
  • 4 medium carrots, peeled and chopped (about 1 cup)
  • 2 medium potatoes, peeled and chopped (about 1-1/2 cups)
  • 2 medium onions chopped (about 1 cup)
  • 2 large celery stalks, chopped (about 1 cup)
  • 2 cloves garlic, chopped
  • 1 large red bell pepper, chopped (about 1 cup)
  • 1 medium zucchini, chopped (about 1-1/2 cups)
  • 6 cups water or vegetable broth (affiliate link)
  • Salt and fresh ground black pepper
  • 1/2 cup long-grain white rice
  • 1 cup chopped fresh basil
  • Extra-virgin olive oil, for serving, if desired
  • Fresh grated Parmesan cheese, for serving, if desired

Instructions 

  • Ideal Slow Cooker Size: 5- to 6-Quart.
  • Combine the tomatoes, garbanzo beans, carrots, potatoes, onions, celery, garlic, bell pepper, zucchini, water, 1 teaspoon salt and black pepper to taste, stirring well.
  • Cover and cook on LOW for 8 – 9 hours or on HIGH for 4 – 5 hours, or until the vegetables are tender.
  • Stir in the rice. Cover and cook on HIGH, 30 minutes longer, or until the rice is tender and the soup is thick.
  • Stir in the basil and let the soup cool to room temperature.
  • Taste and add more salt and pepper to suit your tastes. Spoon into bowls. Serve with a drizzle of olive oil and sprinkling of Parmesan if desired.

Notes

Serving size: 1-1/4 cups
WW Points: 1
Check the WW Points for this recipe and track it in the WW app.
(Must be logged into WW on a smartphone or tablet.)
5 PointsPlus (Old plan)
One of my favorite things about this soup is how adaptable it is.
If chopping vegetables feels relaxing and meditative, use fresh vegetables.
If not?
Frozen vegetables work beautifully too.
No judgment here.

Variations

Different Beans
  • Cannellini beans
  • Kidney beans
  • Pinto beans
  • Great Northern beans
Different Grains
  • Brown rice
  • Small pasta
  • Farro
  • Barley
More Vegetables
  • Green beans
  • Spinach
  • Kale
  • Yellow squash
  • Mushrooms
Brighten the Flavor
Just before serving add:
  • A squeeze of lemon juice
  • Red wine vinegar
  • Balsamic vinegar

Nutrition

Serving: 1.25cups, Calories: 191kcal, Carbohydrates: 38g, Protein: 8g, Fat: 1g, Saturated Fat: 0.2g, Polyunsaturated Fat: 0.5g, Monounsaturated Fat: 0.3g, Sodium: 752mg, Potassium: 769mg, Fiber: 7g, Sugar: 10g, Vitamin A: 6717IU, Vitamin C: 52mg, Calcium: 72mg, Iron: 3mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Soup
Cuisine: Italian
Tried this recipe?Mention @simplenourishedliving or tag #simplenourishedliving!

More Easy Vegetable Soups You’ll Love

About Martha McKinnon

Weight Watchers Lifetime Member, Yoga Practitioner and Blogger who loves to share her passion for trying to create a happy, healthy, balanced life in what often feels like an overwhelming out of control world.

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4.18 from 35 votes (31 ratings without comment)

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7 Comments

  1. 5 stars
    Had lots of fresh vegetables from garden so I doubled the recipe except for adding a cup of rice instead of 1/2 a cup and turned it into stewuop (stew/soup). Added chicken broth to thin it out. It was sooo good after adding the olive oil & parm cheese. Thought I was back in Italy.

  2. 5 stars
    I wasn’t too sure about room temperature soup, but this one’s a keeper, especially on warm summer evenings! My kids actually liked it too, which is always a plus. Thanks for sharing!

  3. 5 stars
    This is so yummy, and a hit with my husband. The fresh basil is rocks it. It is on the “make again” list.

    1. Thanks for letting me know Charlene! It’s on my list to make this week too ๐Ÿ™‚ ~Martha