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slow cooker vegetable broth

Simple Slow Cooker Vegetable Broth

Simple and economical broth that uses leftover vegetables. 

Course Main Course
Keyword broth, slow cooker, soup, stock, vegetable
Prep Time 10 minutes
Cook Time 4 hours
Total Time 4 hours 10 minutes
Servings 8 cups
Author SL


  • carrot peels and scraps
  • celery leaves and scraps
  • mushroom stems
  • 1 bunch parsley (or other herbs you have)
  • 1 large onion (skins on and quartered)
  • 1 head garlic (skins on and halved)
  • 1 tsp black peppercorns
  • 2 tsp salt
  • 2 bay leaves
  • 8-10 cups water


  1. Put all vegetables and spices in a slow cooker. 

  2. Cover with water.
  3. Simmer for 4-6 hours.
  4. Let cool, strain and freeze in jars or containers in desired portions.