Traditional split pea soup leans on a ham hock for its smoky backbone, and a ham hock brings a serious amount of sodium along with it. Smoked paprika does similar work here, built into the soup rather than simmered in from cured meat.
Split peas break down on their own into a naturally thick, creamy soup, so there's no cream or butter needed to get the texture right either.
This recipe is written to be low in sodium, not as medical advice. If you're managing a heart, kidney, or blood pressure condition that requires a sodium-restricted diet, work with a doctor or registered dietitian on your specific daily limit.
A Short History
Split pea soup is one of the oldest documented soups in European cooking, with pea porridge showing up in records going back centuries, prized because dried peas store through winter and cook into a filling, cheap meal with almost no waste. Adding a ham bone or hock became standard wherever pork was cured at home, since the leftover bone still carried plenty of flavor worth simmering out after the good cuts were gone.
That ham bone habit is exactly why the classic version runs high in sodium; cured pork is salted heavily to preserve it, and that salt leaches straight into the soup over a long simmer. Smoked paprika is a newer substitution that borrows the smoky character without the cure, letting the soup keep its old-fashioned appeal without the old-fashioned sodium load.
The Four Components
- Protein. Split peas, which carry plant protein.
- Starch. The split peas themselves, cooked down soft.
- Vegetable. Carrot, celery, and onion.
- Sauce. Smoked paprika and low-sodium broth.
Choosing the Split Peas
Green split peas are the standard here and hold their color well through a long simmer; yellow split peas work identically and just shift the finished soup toward a golden hue. Buy from a store with decent turnover, since older dried peas can take noticeably longer to break down and sometimes never fully soften no matter how long they simmer.
Rinse the peas and pick through them briefly before cooking; bags of split peas occasionally carry a small stone or a shriveled pea that's worth catching before it ends up in the pot. Unlike whole dried beans, split peas need no soaking, which is part of why this soup comes together in about an hour start to finish.
The Technique That Makes It: The Long, Slow Break Down
The body of this soup comes entirely from the split peas dissolving into the broth as they simmer, no flour, cream, or blender required. Held at a steady, gentle simmer rather than a hard boil, the peas soften evenly and release their starch gradually, thickening the liquid around them into something naturally creamy by the time they're fully cooked.
A hard boil works against this. Aggressive heat can scorch the peas on the bottom of the pot before the ones near the surface have softened, and scorched peas leave a bitter, burnt note that no amount of seasoning fixes afterward. Stir occasionally, especially in the last fifteen minutes as the soup thickens and sits closer to the bottom of the pot, and keep the heat at a bare, steady simmer the whole way through.
Low-Sodium Split Pea Soup
Serves six. Prep fifteen minutes, cook fifty minutes, total about one hour five minutes.
Ingredients
Protein
- 2 cups dried green split peas, rinsed
Starch
- The split peas themselves; no separate starch needed
Vegetable
- 1 onion, diced
- 2 carrots, diced
- 2 celery stalks, diced
- 3 cloves garlic, minced
Sauce
- 1 teaspoon smoked paprika
- 6 cups low-sodium vegetable broth
- 1 bay leaf
- 2 tablespoons olive oil
- Black pepper, to taste
Method
Mise en place
- Rinse the split peas and pick through them briefly. Dice the onion, carrots, and celery.
Building the base
- Heat the olive oil in a large pot and cook the onion, carrots, and celery over medium heat 6 to 8 minutes until softened.
- Add the garlic and smoked paprika and cook 1 minute until fragrant.
Simmering
- Add the split peas, broth, and bay leaf. Bring to a boil, then reduce to a simmer.
- Cook uncovered 40 to 45 minutes, stirring occasionally, until the peas break down and the soup thickens.
Finish
- Remove the bay leaf before serving.
Doneness
The soup is done when the peas have fully broken down into a thick, spoon-coating consistency with no distinct pea shapes left, only a smooth, thickened broth. If it still looks watery and the peas are holding their shape after 45 minutes, keep simmering in ten minute increments until it thickens.
Nutrition (per serving, estimated)
Estimated from the ingredients as written, not lab-verified. This is not medical or nutrition advice; work with a doctor or registered dietitian to confirm this fits your specific sodium limit.
- Calories 230
- Fat 5 g
- Saturated fat 1 g
- Cholesterol 0 mg
- Sodium 90 mg
- Carbohydrates 34 g
- Fiber 13 g
- Sugar 5 g
- Protein 14 g
Get Ahead: A Timing Plan
- Up to two days ahead: the soup reheats well and often tastes better the next day.
- While it simmers: stir occasionally so the peas don't stick to the bottom.
- Last step: a squeeze of lemon at serving brightens the whole bowl.
Wine Pairing
A soup this earthy and smoky pairs best with a wine that won't get lost next to the paprika.
- Dry Riesling for acidity that cuts through the thick texture without a lot of tannin to fight the smokiness.
- Chenin Blanc for a little more body and a honeyed edge that complements the peas.
- Light-bodied Pinot Noir if you'd rather stay with red; its earthiness matches the smoked paprika well.
Building the Meal Around It
Serve with crusty bread, or alongside Herb Roasted Chicken Drumsticks.
Cooking for a Crowd
This soup scales up easily since it's a single pot; just use a pot large enough that the peas have room to simmer without the liquid boiling over as it thickens. Doubling or tripling the recipe usually adds only a little extra simmering time. It also holds and reheats exceptionally well, so it's a good make-ahead choice for a crowd, needing only a splash of extra broth or water when reheating since it thickens further in the fridge.
Troubleshooting
- Soup won't thicken. The peas are old and slow to break down, or the simmer was too gentle. Keep simmering past the stated time, checking every ten minutes.
- Scorched, bitter flavor. The heat was too high and the peas stuck to the bottom of the pot. Keep the simmer gentle and stir more often as the soup thickens.
- Soup is too thick after reheating. Split peas keep absorbing liquid in the fridge. Add a splash of broth or water when reheating to bring it back to the right consistency.
- Flat flavor despite the paprika. The paprika was added too early and lost potency, or not enough was used. Bloom it briefly in the oil with the garlic and taste before adding more toward the end if needed.
Variations
- Yellow split peas. Swap in yellow split peas for a golden colored soup with the same texture.
- Add ham back in. A diced low-sodium ham or a small amount of nitrate-free bacon can be added, with the broth's sodium budget adjusted accordingly.
- Curried version. A teaspoon of curry powder in place of the smoked paprika gives the soup a different but equally warm character.
- Blended smooth. For a completely silky texture, blend the finished soup with an immersion blender instead of leaving it rustic.
Frequently Asked Questions
Do I need to soak the split peas first?
No, split peas cook through without soaking, unlike whole dried beans.
Can I add a smoked meat back in?
You can, but a smoked turkey leg still carries meaningful sodium, so check the label or ask your butcher about a low-sodium option.
Can I make this in a slow cooker?
Yes. Sautee the vegetables first if you have the time, then combine everything in the slow cooker on low for 6 to 7 hours.
Why is my soup grayish instead of green?
Long cooking and iron in some water supplies can dull the color of green split peas; it doesn't affect the flavor or safety of the soup.
Can I freeze split pea soup?
Yes, it freezes very well for up to three months; thaw in the fridge and add a little broth when reheating since it thickens further after freezing.
What can I use instead of vegetable broth?
A low-sodium chicken broth works the same way and adds a slightly richer flavor if you're not keeping the soup vegetarian.
More Low-Sodium Recipes
Looking for something else? Escarole and White Bean Soup, Low-Sodium Butternut Squash Soup, and the full Low-Sodium collection.
Who Is Writing This
I'm Chef Alan. I have spent 35 years in professional kitchens, I have formal culinary education in New Hampshire, and I have been honored as a 6-Time 4-Diamond Chef. More about me here.
If a recipe is missing something you needed, or a step didn't make sense, tell me. Get in touch and I'll fix it.
Cook Bolder, Serve Wiser, Eat Better.