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4.62 from 13 votes

Crock Pot White Bean French Onion Soup

This Crock Pot White Bean French Onion Soup is everything you love about French Onion Soup with a super easy and delicious twist, using your slow cooker!
Course Soup
Cuisine Slow Cooker
Keyword Crock Pot White Bean French Onion Soup
Prep Time 10 minutes
Servings 6 servings
Calories 228kcal
Author Chrissie (thebusybaker.ca)


  • 3 large onions diced
  • 1/2 teaspoon sea salt
  • 1/4 cup melted butter or other vegan butter substitute
  • 500 ml white beans, rinsed and drained (about two 14oz cans)
  • 1 teaspoon dried oregano
  • 1/2 teaspoon freshly cracked black pepper
  • 2 teaspoons fresh thyme leaves
  • 6 cups vegetable stock
  • homemade or storebought croutons (for garnish)
  • shredded parmesan cheese (for garnish)


  • Add the diced onions, salt, and melted butter to your Crock Pot on high.
  • Stir to combine and let the onions caramelize for 3 to 5 hours in the Crock Pot.
  • Add the beans, oregano, pepper, thyme, and vegetable stock and continue to cook for another 3 hours on high.
  • Garnish with your favourite homemade or store-bought croutons and some grated Parmesan cheese!



If you'd like a tutorial on how to make your own homemade croutons, check mine out here: https://thebusybaker.ca/kale-caesar-salad-homemade-croutons/


Serving: 1serving | Calories: 228kcal | Carbohydrates: 32g | Protein: 9g | Fat: 8g | Saturated Fat: 2g | Sodium: 1231mg | Potassium: 577mg | Fiber: 7g | Sugar: 5g | Vitamin A: 871IU | Vitamin C: 7mg | Calcium: 103mg | Iron: 3mg