Dinner · Part 3 of 3: Tips & recipe card
Slow Cooker Autumn Pistou Soup Tips, FAQ & printable recipe

- Prep
- Cook
- Total
- Serves
- 6
Tips for success
To enhance the presentation, garnish each bowl with a small dollop of fresh pesto and a sprinkle of grated parmesan cheese just before serving. This adds a nice contrast in temperature and texture to the hot soup. If you prefer a bit of acidity, a squeeze of fresh lemon juice right before eating can brighten the flavors further.
Experiment with seasonal vegetable additions such as diced celery, green beans, or even a handful of chopped kale added during the last thirty minutes of cooking.
These additions provide extra color and nutrition without requiring any changes to the core cooking time. Always keep the pieces uniform in size to ensure they cook through alongside the carrots and zucchini.
Variations
- Add Pasta: Stir in one cup of small, cooked pasta shapes like ditalini or orecchiette during the final ten minutes of cooking to turn this into a heartier minestrone-style soup.
- Protein Boost: Add a can of rinsed chickpeas or white beans alongside the red kidney beans for extra texture and a slightly nutty flavor profile that pairs well with the pesto.
Storage and make-ahead
- Fridge
- Store in an airtight container in the refrigerator for up to 3 days.
- Freezer
- Store in a freezer-safe container for up to 2 months. Thaw overnight in the refrigerator before reheating.
- Reheat
- Reheat on the stovetop over medium-low heat, stirring occasionally until steaming hot.
Allow any leftover soup to cool completely to room temperature for no more than two hours before transferring it to an airtight container. Keep the container sealed tightly to prevent the soup from absorbing other flavors in the refrigerator.
Proper storage is essential to maintain the freshness and quality of the vegetable base and the delicate pesto infusion for subsequent meals.
This soup is an excellent candidate for making ahead, as the flavors often improve after sitting for a day or two. Simply prepare the recipe as directed, allow it to cool, and store it in the refrigerator.
When ready to serve, reheat the soup gently on the stove over medium-low heat until it is steaming hot, stirring occasionally to ensure even heating.
Serving ideas
Serve this soup hot in deep ceramic bowls, ideally paired with a slice of crusty sourdough bread or a light side salad. The bread is perfect for mopping up the flavorful, pesto-infused broth. The rustic nature of the soup makes it a versatile choice for both casual family dinners and more relaxed weekend lunches.
For a more substantial meal, consider serving the soup alongside a platter of antipasto, such as marinated olives, artichoke hearts, and roasted peppers.
The bright, herbal notes of the pistou soup complement these Mediterranean-inspired accompaniments beautifully. Ensure each guest has a large spoon to capture all the delicious vegetables and beans in every serving.
Frequently asked questions
Can other vegetables be used in this soup?
Is it necessary to use a specific type of pesto?
Can this soup be frozen?
Slow Cooker Autumn Pistou Soup

Ingredients
- 2 cans red kidney beans, drained and rinsed
- 2 cups diced carrots
- 2 cups diced zucchini
- 1/3 cup basil pesto
- 6 cups vegetable broth
Instructions
- Add the drained and rinsed red kidney beans to the bottom of the slow cooker insert. Distribute the diced carrots and diced zucchini evenly over the beans.
- Spoon the basil pesto on top of the vegetable layer. Pour the vegetable broth over the ingredients, ensuring the pesto is partially submerged to distribute its flavor into the liquid.
- Cover the slow cooker and cook on low for 4 hours. Once the time is up, stir the soup gently to fully incorporate the pesto, then ladle into bowls to serve hot.
Estimated nutrition per serving
- Calories
- 180
- Protein
- 6 g
- Carbohydrates
- 22 g
- Fat
- 8 g
- Fiber
- 5 g
- Sugar
- 4 g
- Sodium
- 650 mg
This recipe is based on a short cooking video and is published under the pen name Clara Weller. It was checked before publication, but errors can slip through. Nutrition, when shown, is an estimate. Read more in our editorial policy and on our food safety page.






