Slow Cooker Beginner 490 min

Slow Cooker Split Pea Soup

A thick, comforting split pea soup — load the slow cooker in the morning and come home to a complete meal.

Slow Cooker Split Pea Soup illustration

Steps

  1. 01

    Rinse the split peas under cold water and drain. Dice the carrots, onion, and celery. Mince the garlic.

  2. 02

    Add the split peas, broth, vegetables, thyme, and bay leaves to the slow cooker. Stir to combine.

  3. 03

    Cover and cook on low for 8 hours. The peas should be completely broken down and the soup thick.

  4. 04

    Remove the bay leaves. Season with salt and pepper. Stir vigorously to crush some of the peas and thicken the soup further if needed. Serve hot with crusty bread.

Why it works

Why does slow cooking make tough cuts tender?

Tough cuts are full of collagen — the connective tissue holding muscles together. When cooked low and slow in liquid above 70°C for several hours, that collagen converts into gelatin, which is silky, rich, and impossible to achieve in an expensive filet. The longer the cook, the more gelatin, which is why braised beef gets better the next day.

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What is the real difference between high and low on a slow cooker?

High reaches ~95°C and low reaches ~80–85°C. Both break down collagen and cook food safely — the difference is time-to-temperature and forgiveness. Low takes twice as long but is much harder to overcook. Use low for an 8-hour day, high for a 4–5 hour window.

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Why do vegetables turn to mush in a slow cooker and how do you prevent it?

Vegetables turn to mush in a slow cooker because prolonged moist heat breaks down pectin, the glue that holds plant cell walls together. Dense vegetables like carrots and potatoes survive 6–8 hours if cut into large pieces. Delicate ones — zucchini, peas, leafy greens — add in the last 20–30 minutes so they hold their texture and color.

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Slow Cooker Cooking Times Chart →

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01

Rinse the split peas under cold water and drain. Dice the carrots, onion, and celery. Mince the garlic.

Split peas 450 g
Carrots 2 unit
Onion 1 unit
Celery 3 unit
Garlic 3 unit