Slow Cooker Winter Vegetable Soup | One Pot Chef

by OnePotChefShow

Published 16 May 2026Original video

This Slow Cooker Winter Vegetable Soup is the ultimate winter warmer—outrageously simple and requiring zero effort. Fresh potatoes, carrots, onions, and garlic are combined with chicken stock and a nutritious blend of barley, split peas, and lentils to create a thick, deeply satisfying soup. Perfect for busy weeknights, meal prep, or feeding a crowd, this recipe practically makes itself whilst you get on with your day. Optional shredded chicken breast or diced bacon adds extra protein and flavour if you like

Video thumbnail: Slow Cooker Winter Vegetable Soup | One Pot Chef

Watch: Slow Cooker Winter Vegetable Soup | One Pot Chef

Original recipe video — click to play

Original video by OnePotChefShow7k likes on YouTube
15 mins
Prep time
6 hrs
Slow cook (Low)
3 hrs
Slow cook (High)
7
Serves
6 hrs 15 mins
Total (Low)
Slow cooker setting:Low 5–6 hours or High 2–3 hours

Original method: 2–3 hours on HIGH or 5–6 hours on LOW in slow cooker

Ingredients

Servings:
7
Units:

Vegetables

  • 2 whole Large potatoes, washed, peeled and diced

    Use waxy potatoes for best texture

  • 1 whole Large carrot, washed, peeled and diced
  • 1 whole Large brown onion, peeled and chopped
  • 2 cloves Garlic cloves
    , crushed

Stock & Grains

  • 2000 ml Chicken stock
    , liquid

    Use good quality stock for best flavour

  • 500 g Mixed soup grains, a blend of barley, split peas and lentils (or your own choice of combination)

    Rinse before using. You can use shop-bought 'soup mix' or make your own blend

Seasoning

  • to taste Salt and pepper

    Season at the end of cooking

Optional Protein

  • to taste Shredded cooked chicken breast or diced bacon, cooked and shredded or diced(optional)

    Stir through in the final 15 minutes of cooking

    Optional but adds wonderful flavour and protein

Method

  1. 1

    Prepare all your vegetables: wash, peel and dice the potatoes and carrot; peel and chop the onion; crush the garlic cloves.

    ~15 mins

    Tip: Consistent dice sizes help everything cook evenly

  2. 2

    Rinse the mixed soup grains (barley, split peas and lentils) under cold water.

    ~2 mins

    Tip: This removes any dust and helps prevent cloudiness in the soup

  3. 3

    Add the diced potatoes, carrot, chopped onion and crushed garlic to your slow cooker.

    ~2 mins
  4. 4

    Pour in the chicken stock and add the rinsed mixed soup grains.

    ~1 min

    Tip: Stir well to combine

  5. 5

    Cover and cook on HIGH for 2–3 hours or on LOW for 5–6 hours, until the vegetables are tender and the grains are cooked through.

    ~3 hrs

    Tip: The soup will thicken as the grains absorb the liquid

  6. 6

    If using optional chicken or bacon, add it now and stir through. Cook for a further 15 minutes.

    ~15 mins
    Optional step

    Tip: If the chicken is raw, cook it separately first

  7. 7

    Season generously with salt and pepper to taste. Stir well and serve hot.

    ~2 mins

    Tip: Taste and adjust seasoning as needed

Nutrition

Detailed nutritional information is coming soon.

Frequently Asked Questions

Absolutely! Chop all your vegetables and store them in separate containers in the fridge overnight. In the morning, simply add everything to your slow cooker. This makes the recipe even more convenient for busy days

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