Lu-Ann Simon June 26, 2026

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Homemade Minestrone Soup (Slow Cooker)

Name: Homemade Minestrone Soup (Slow Cooker)
Prep time: 20 min
Cook time: 6 h
Total time: 6 h
Cuisine: Italian
Ingredients: 2 (14.5 ounce) cans diced tomatoes; 2 tablespoons tomato paste; 1/4 cup sun-dried tomato pesto; 1 parmesan rind; 4 cups vegetable stock; 2 cups water; 1 cup carrots (diced); 1 1/4 cup celery (diced); 1 1/2 cup white onion (diced); 4 – 5 cloves garlic (minced); 1 teaspoon dried oregano; 1 sprig rosemary (or 1/2 teaspoon dried); 2 bay leaves; Salt and pepper to taste; 1 (15-ounce) can red kidney beans (drained and rinsed); 1 (15-ounce) can great northern beans (drained and rinsed); 1 1/2 cups zucchini (diced); 1 1/2 cups ditalini pasta; 1 cup frozen green beans (thawed); 2 1/2 cups baby spinach (chopped); Parmesan cheese (grated)

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As the crispness of autumn fills the air, there’s nothing quite like a warm bowl of Homemade Minestrone Soup (Slow Cooker) to brighten your day. This cozy dish, brimming with vibrant vegetables and hearty pasta, is perfect for chilly evenings when all you need is a comforting meal that fills the home with an inviting aroma. Plus, it’s so easy to make in a slow cooker, allowing you to set it and forget it while the flavors meld beautifully. You may also find 30 Minute Anti Inflammatory Cauliflower Chicken Soup useful.

Why This Homemade Minestrone Soup (Slow Cooker) Works

This recipe is a delightful celebration of flavors and textures, making it a favorite for family dinners or meal prep. Here are a few reasons why this soup stands out: You may also find Creamy Broccoli Cheddar Soup useful.

Rich in nutrients with vibrant vegetables
Hearty and filling with pasta and beans
Ideal for meal prepping and leftovers
Flavorful blend of herbs and spices
Totally customizable to suit your preferences

Gather These Ingredients

The magic of minestrone soup lies in its flexibility, easily adapt your ingredients to whatever you have on hand while maintaining its delicious essence. Here is a list of what you will need:

2 (14.5 ounce) cans diced tomatoes
2 tablespoons tomato paste
1/4 cup sun-dried tomato pesto (homemade or store-bought)
1 parmesan rind
4 cups vegetable stock
2 cups water
1 cup carrots (diced)
1 1/4 cup celery (diced)
1 1/2 cup white onion (diced)
4 – 5 cloves garlic (minced or pressed)
1 teaspoon dried oregano
1 sprig rosemary (or 1/2 teaspoon dried)
2 bay leaves
Salt and pepper to taste
1 (15-ounce) can red kidney beans (drained and rinsed)
1 (15-ounce) can great northern beans (drained and rinsed)
1 1/2 cups zucchini (diced)
1 1/2 cups ditalini pasta (or other small shapes)
1 cup frozen green beans (thawed)
2 1/2 cups baby spinach (chopped)
Parmesan cheese (grated)

How to Cook Homemade Minestrone Soup (Slow Cooker)

Making your minestrone soup is a straightforward process that will fill your kitchen with delightful scents. Here’s how to bring it all together:

Combine the Base Ingredients: Add the diced tomatoes, tomato paste, sun-dried tomato pesto, parmesan rind, vegetable stock, water, carrots, celery, onions, garlic, oregano, rosemary, and bay leaves into a slow cooker. Season with salt and pepper to taste.
Slow Cook: Set your slow cooker on low heat for 6-8 hours or high for 3-4 hours. As it cooks, the flavors will blend wonderfully, creating a rich base for your soup.
Add the Beans and Pasta: About 20-25 minutes before serving, stir in the red kidney beans, great northern beans, zucchini, and pasta. Cook on high heat until the pasta is tender.
Finish with Greens: A few minutes before serving, stir in the chopped spinach and thawed green beans, allowing them to heat through.
Serve with Toppings: Serve warm, topped with freshly grated parmesan cheese and accompanied by some garlic toasts for a delightful crunch.

Prep ~20 minutes, Cook ~6-8 hours (low) or 3-4 hours (high), Total ~6-8 hours, Servings ~8, Kcal ~280 (estimate).

Make-Ahead and Prep Tips

Preparing your minestrone soup in advance can save you time on busy days. Chop and measure all your vegetables the night before, and keep them in airtight containers in the refrigerator. You can also prepare the soup base (excluding the beans and pasta) and refrigerate it for a day or two before cooking. When you’re ready to enjoy your soup, simply pour everything into the slow cooker and let it simmer.

How to Store Leftovers

After enjoying your meal, storing leftovers is a breeze. Place any cooled soup in an airtight container and refrigerate for up to 3 days. For longer storage, you can freeze the soup for up to 3 months. When reheating, gently warm it on the stove over low heat, adding additional water or stock if needed to reach your desired consistency. A good indicator that your soup is fresh is the vibrant color of the vegetables.

Perfect Pairings

Enhance your mealtime by serving your Homemade Minestrone Soup (Slow Cooker) with some tasty sides:

Crusty garlic bread
A fresh garden salad
Grilled cheese sandwiches
A sprinkle of fresh herbs on top
A light quinoa or couscous salad

Variations and Swaps

Feel free to make this minestrone your own by trying out these variations:

Vegetarian Delight: Substitute any of the beans with chickpeas for extra protein.
Pasta Alternatives: Use whole grain or gluten-free pasta for a different texture.
Season Change: Add diced butternut squash or sweet potatoes for a fall twist.
Flavor Focus: Experiment with adding cumin or smoked paprika for a unique taste profile.
Herb Infusion: Swap dried herbs for fresh ones for a more fragrant aroma.

Cook’s Notes and Secrets

To ensure your soup turns out perfectly, keep these tips in mind:

Use a good quality vegetable stock for richer flavor.
Cut vegetables uniformly for even cooking.
Give the soup a taste towards the end of cooking to adjust seasonings as necessary.
Let the soup rest for a bit after cooking; the flavors deepen as it sits.

Homemade Minestrone Soup (Slow Cooker) FAQs

Can I use different types of beans?
Absolutely! You can mix and match beans to include black beans, cannellini beans, or even lentils, depending on what you have available.
How do I make this soup without a slow cooker?
You can simmer it on the stovetop in a large pot. Just follow the same steps, and allow it to cook for about 30-40 minutes over medium heat.
Is this soup freezer-friendly?
Yes, minestrone soup freezes well. Just make sure to let it cool completely before transferring it to freezer-safe containers.
What’s the best way to reheat leftovers?
The microwave works for reheating, but warming on the stove over low heat helps retain the soup’s flavors and texture better.
Can I add meat to my minestrone?
Certainly! Ground turkey or chicken can be a flavorful addition, just cook it separately and add it to the soup before serving.

Wrapping Up

This Homemade Minestrone Soup (Slow Cooker) is a cozy and nourishing dish that brings warmth and satisfaction with every spoonful. It’s an ideal meal for any occasion, whether you’re feeding the family or prepping for the week ahead. Don’t forget to enjoy it with some crispy bread and your favorite toppings, and savor the comfort it brings to your table. This delightful dish is sure to become a staple in your cooking repertoire—so why not make it soon?

Homemade Minestrone Soup (Slow Cooker)

Author: anastasia-rice
Total Time: 360 minutes
Yield: 8 servings 1x
Diet: Vegetarian

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Description

A cozy and nourishing dish brimming with vibrant vegetables and hearty pasta, perfect for chilly evenings.

Instructions

Combine the diced tomatoes, tomato paste, sun-dried tomato pesto, parmesan rind, vegetable stock, water, carrots, celery, onions, garlic, oregano, rosemary, and bay leaves into a slow cooker. Season with salt and pepper to taste.
Slow cook on low heat for 6-8 hours or high for 3-4 hours.
Add the red kidney beans, great northern beans, zucchini, and pasta about 20-25 minutes before serving, cooking until the pasta is tender.
Finish with chopped spinach and thawed green beans a few minutes before serving.
Serve warm, topped with freshly grated parmesan cheese and garlic toasts.

Notes

Chop and measure vegetables the night before to save time. This soup can be stored in the refrigerator for up to 3 days, or frozen for up to 3 months.

Prep Time: 20 minutes
Cook Time: 360 minutes
Category: Soup
Method: Slow Cooking
Cuisine: Italian