Meatless Friday: Slow Cooker Potato Leek Soup


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Slow Cooker Potato Leek Soup

  • 3 leeks
  • 4 large potatoes
  • 2 T olive oil
  • Salt & pepper to taste
  • 1-2 c milk
  • 1 c Greek yogurt
  • Heavy cream, if desired

Remove dark green tops & roots from leeks and slice in half lengthwise then across the widths in ½-inch slices. Place leek slices in a large bowl of cold water and let sit for 5 minutes. Swish leek slices around in the water and rub them between your hands to get rid of any silt. Drain leeks well. While leeks drain, scrub potatoes well, peel if desired, and cut into large cubes, about 1 ½ inches. Place leeks and potatoes into slow cooker and toss with olive oil, salt and pepper. Cook on low for 6 hours. About 30 minutes before serving, add 1 c milk and Greek yogurt to crock pot and blend with a stick blender until smooth. Blend in additional milk or cream to reach desired consistency, then allow to heat through for 30 minutes.


"Meatless Friday: Slow Cooker Potato Leek Soup" by Erin McCole Cupp (

Copyright 2017 Erin McCole Cupp. All rights reserved.

Lent-friendly note: make vegetable stock! We keep our leek tops in a bag in the freezer along with any other vegetables that are about to go bad (floppy celery, shriveling carrots, onions starting to sprout, garlic cloves that have seen better days, etc.) When we have enough to fill a slow cooker about half way, we put the vegetable scraps in the slow cooker, top the rest of the way with water, and cook on low for 6-10 hours. Then we drain out the scraps and store the stock in 2 quart freezer containers. We then use the vegetable stock in place of any meat-based broth or cooking wine a recipe requires.

"Meatless Friday: Slow Cooker Potato Leek Soup" by Erin McCole Cupp (

Copyright 2017 Erin McCole Cupp. All rights reserved.



What’s cooking? Find all our Meatless Friday featured recipes here.

Copyright 2017 Erin McCole Cupp


About Author

Erin McCole Cupp is a wife, mother, and lay Dominican who lives with her family of vertebrates somewhere out in the middle of Nowhere, Pennsylvania. Her short writing has appeared in Canticle Magazine, The Catholic Standard and Times, Parents, The Philadelphia City Paper, The White Shoe Irregular, Outer Darkness Magazine, and the newsletter of her children’s playgroup. She is a contributor to and has been a guest blogger for the Catholic Writers Guild. Her other professional experiences include acting, costuming, youth ministry, international scholar advising, and waiting tables. When Erin is not writing, cooking or parenting, she can be found reading, singing a bit too loudly, sewing for people she loves, gardening in spite of herself, or dragging loved ones to visitors centers at tourist spots around the country. Find her books and other projects at her website.

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