Classic Split Pea Soup

This split pea soup recipe turns a bag of dried green split peas into a thick, savory pot of soup using just one aromatic vegetable base, no overnight soaking, and about an hour of mostly hands-off simmering. It's naturally vegetarian, freezer-friendly, and easy to scale for a crowd.

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What Makes This Split Pea Soup Recipe Work

Split peas break down as they simmer, releasing starch that thickens the broth into a creamy texture without any added cream or flour. A classic mirepoix of onion, carrot, and celery sautéed in olive oil builds a savory base, while bay leaf and thyme add depth without overpowering the earthy peas. Unlike whole peas or lentils, split peas cook quickly and don't require pre-soaking, which is why this recipe comes together in about an hour from start to finish.

Ingredient Substitutions for This Recipe

Green and yellow split peas are interchangeable in this recipe; yellow peas give a slightly milder, sweeter flavor and a lighter color. Vegetable broth can be swapped for water in a pinch, though the soup will taste less seasoned, so add a bit more salt to compensate. If you don't have fresh thyme, use dried thyme at about one-third the amount. A diced potato can be added in the last 20 minutes of cooking for extra heartiness, and a splash of lemon juice stirred in at the end brightens the earthy flavor of the peas.

Getting the Right Texture: Thin vs. Thick Split Pea Soup

The consistency of split pea soup depends almost entirely on simmer time and liquid ratio. If the soup seems too thin after an hour, keep it on a gentle simmer, uncovered, for another 10-15 minutes to let more liquid evaporate and the peas break down further. If it becomes too thick as it sits, stir in a splash of broth or water while reheating until it loosens to your preferred consistency. Stirring occasionally during cooking also helps prevent the peas from settling and scorching on the bottom of the pot.

Storing and Reheating Split Pea Soup

Let the soup cool before transferring it to an airtight container; it keeps in the refrigerator for up to 4 days. For longer storage, freeze portions in freezer-safe containers for up to 3 months, leaving room at the top since the soup expands as it freezes. Thaw overnight in the refrigerator, then reheat on the stovetop over medium heat, stirring occasionally and adding a little broth or water if the soup has thickened too much, until it reaches 165°F (74°C) throughout before serving.

Serving Ideas for Split Pea Soup

Serve this soup hot with crusty bread or a simple green salad for a complete meal. A drizzle of olive oil, a sprinkle of fresh herbs, or a few croutons on top add texture and visual contrast to the smooth soup. For more cold-weather soup ideas and techniques, see our Soup Recipes: Complete Guide.