Easy • Affordable • Protein-Rich

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Potato Soup — Cozy, Reliable, Weeknight-Ready (Slow Cooker, Set-and-Forget)


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  • Author: Lily
  • Total Time: 6 hours 10 minutes (LOW)
  • Yield: 6 servings
  • Diet: Vegetarian

Description

Cozy, creamy slow cooker potato soup with minimal prep and a silky finish from blending part of the pot. Savory onions, mellow potatoes, gentle warmth from spices, and a bright pop of lemon and chives. Weeknight-easy, budget-friendly, vegetarian, and naturally gluten-free—with dairy-free options.


Ingredients

  • 2 Tbsp olive oil or butter

  • 1 large yellow onion, diced

  • 3 cloves garlic, minced

  • 2 lb Yukon Gold potatoes, peeled, ¾-inch chunks

  • 1 medium carrot, finely diced (optional)

  • 3 cups low-sodium vegetable broth (plus more as needed)

  • 1 tsp kosher salt, more to taste

  • ½ tsp black pepper

  • ½ tsp paprika (smoked or sweet)

  • ¼ tsp cayenne or red pepper flakes (optional)

  • 1 bay leaf

  • ¾ cup evaporated milk or whole milk (DF: unsweetened canned coconut milk)

  • ½ cup plain Greek yogurt or sour cream (DF: thick unsweetened plant yogurt)

  • 1 cup shredded sharp cheddar (optional; DF: omit or use dairy-free shreds)

  • 12 Tbsp lemon juice or apple cider vinegar, to finish

  • Toppings: chopped chives/green onions, shredded cheddar, crispy bacon bits, extra yogurt, cracked pepper


Instructions

  1. Sauté aromatics (2–3 min): Warm oil in a skillet, soften onion with a pinch of salt; add garlic for 30 seconds.

  2. Load the cooker: Transfer to slow cooker. Add potatoes, carrot, broth, salt, pepper, paprika, cayenne, and bay leaf.

  3. Cook: Cover and cook LOW 6 hours (or HIGH 3–4 hours) until potatoes are very tender.

  4. Blend for body: Remove bay leaf. Partially blend ~½ the soup with an immersion blender (or mash) to thicken naturally.

  5. Creamy finish (off heat): Stir in milk and yogurt; add cheddar if using. Warm on LOW 15–20 min—do not boil.

  6. Balance & serve: Stir in lemon juice. Taste and adjust salt/pepper/heat. Ladle into bowls and top as desired. Rest 3 minutes.

Notes

  • Use low-sodium broth so you can season perfectly at the end.

  • For DF: use coconut milk and DF toppings; omit cheddar.

  • Texture control: blend more for extra-creamy; less to keep potato cubes.

  • Storage: 3–4 days in fridge; up to 3 months frozen (blend more before freezing).

  • Reheat gently with a splash of broth/water; finish with fresh chives and lemon.

  • Scaling: Use an 8-qt cooker to double; add ~30 min if very full. For 4-qt, reduce recipe by ~25–30%.

  • Prep Time: 10 minutes
  • Cook Time: 6 hours (LOW) or 3–4 hours (HIGH)
  • Category: soup recipes
  • Method: Slow cooker; partial blend
  • Cuisine: American