Split pea soup is the soup that shows up when the weather finally turns for good.
The kind of cold that settles in for weeks, when the windows stay fogged, and the kitchen becomes the warmest room in the house. You come in from a long day, and there is already something going — deep green, thick enough to hold a spoon upright, smelling like smoked ham and thyme and hours of slow cooking.
That is what a crockpot does for this soup.
You spend fifteen minutes building the pot in the morning, and by evening the peas have broken down into something velvety, the ham hocks have given up their smoke into the broth, and the whole thing tastes like it took all day because it did — you just were not standing over it.
One more thing to know about split pea soup: the peas don’t need to be soaked.
Unlike beans, split peas are already split and dried in a way that lets them hydrate and break down during cooking.
No overnight soak, no pre-boiling, no planning ahead beyond having the ingredients in the pantry.
Nineteen grams of protein per bowl from the split peas, the ham hocks, and the chicken broth.
If you want more, stir in a cup and a half of diced ham at the end to bring it to about twenty-eight. Either way, it is a pot of soup that feeds eight, freezes beautifully, and tastes even better the next day.
Why This Recipe Works
- Split peas do not need soaking. They are dried in split form, so they hydrate and break down directly in the cooking liquid. That’s why a crockpot works so well here.
- The ham hocks go in whole and come out shredded. Two smoked hocks simmer for hours, giving up their smoke and collagen to the broth. At the end, you pull them out, shred the meat, and stir it back in.
- The ham hocks season the soup, which is why you salt at the end. Smoked pork is salty, and its salt leaches into the broth as it cooks. Adding salt at the start risks a pot you cannot fix.
- A quick sauté of the aromatics is worth six minutes. Softening the onion, carrot, and celery in a skillet with butter before they go in gives the soup a deeper base. It is the one pan you wash, and it changes the finished bowl.
- Blooming the smoked paprika and thyme in the fat is what makes the broth taste built. Thirty seconds in hot butter wakes up both spices. Dumped into liquid, they taste flat.
- Eight hours on low is the sweet spot for split peas. Any shorter and they stay firm and grainy. Any longer and the soup turns to paste. The window is generous, but it is not infinite.
- Mashing some of the peas against the side of the pot thickens it. No roux, no cornstarch, no blender required. Split peas thicken their own soup if you help them along.
- A squeeze of lemon at the end is what makes the whole pot taste finished. Split pea soup is rich, smoky, and heavy. Acid cuts through it all and brightens the broth.
- Parsley goes in at the end, not the start. Add dried herbs with the spices. Fresh parsley goes on top of the bowl, where it stays green and grassy.
- The protein math is honest. Split peas, ham hocks, and broth deliver about 19g per bowl across eight servings, and optional diced ham takes it to 28g.
Crockpot Split Pea Soup with Ham Hocks
Dried green split peas, smoked ham hocks, and a soffritto of onion, carrot, and celery, simmered low and slow with thyme, smoked paprika, and bay leaves. No soaking required.
Ingredients
For the Aromatics
- 2 tbsp unsalted butter or olive oil
- 1 large yellow onion, diced
- 3 medium carrots, peeled and diced
- 3 celery stalks, diced
- 4 cloves garlic, minced
- 1 tsp smoked paprika
- 1 tsp dried thyme
- ½ tsp black pepper
For the Slow Cooker
- 2 smoked ham hocks (about 1¼ lbs total)
- 1 lb dried green split peas, rinsed and picked over
- 8 cups low-sodium chicken broth
- 2 bay leaves
- 1 tsp kosher salt, plus more to taste
- ½ tsp smoked paprika, extra
For the Finish
- 1 tbsp fresh lemon juice
- ¼ cup fresh flat-leaf parsley, chopped
- Kosher salt and black pepper to taste
- Crusty bread, for serving
Instructions
- Rinse and pick the peas. Pour the dried split peas into a colander and rinse under cold water. Pick through them with your fingers and discard any discolored peas or small stones. No soaking needed.
- Soften the aromatics. Melt the butter in a large skillet over medium heat. Add the onion, carrot, and celery and cook for 6 minutes, until the onion is translucent and the carrots begin to soften.
- Bloom the spices. Add the garlic, smoked paprika, thyme, and black pepper. Stir constantly for 30 seconds, until the spices darken slightly and smell toasted. Do not let the garlic brown.
- Load the slow cooker. Scrape the aromatics into a 6-quart or larger slow cooker. Nestle the ham hocks into the bottom of the pot. Add the rinsed split peas, chicken broth, bay leaves, and 1 tsp of kosher salt. Stir gently to combine.
- Cook. Cover and cook on LOW for 8 hours or on HIGH for 5 hours. Do not lift the lid. The peas should be fully broken down, and the soup should be thick enough to hold a spoon upright.
- Remove the ham hocks. Transfer the ham hocks to a cutting board and let them cool for 10 minutes. Discard the bay leaves. Pull the meat off the bones with two forks, discard the fat and skin, and shred the meat into bite-sized pieces.
- Thicken the soup. Use the back of a wooden spoon or a potato masher to press about a quarter of the peas against the side of the pot. This releases their starch and thickens the soup without a blender.
- Return the meat and finish. Stir the shredded ham back into the pot. Add the lemon juice and 2 tbsp of the parsley. Taste and adjust salt — this is the moment to add it, not at the start. If the soup is too thick, add broth ½ cup at a time. If it is too thin, cook uncovered on HIGH for 20 minutes.
- Serve. Ladle into bowls, top with the remaining parsley, and serve with crusty bread for dipping.
Notes
Protein per Serving: 19 g.
Nutrition Note: Protein calculated from 1 lb dried green split peas (≈111g), 2 smoked ham hocks yielding about 6 oz of shredded meat (≈45g), and 8 cups low-sodium chicken broth (≈16g), divided into 8 servings—about 19g per bowl. Ham hock meat yield varies by brand, so this is a conservative estimate. Adding 12 oz diced ham brings it to about 28g. About 300 calories per serving. Sodium varies heavily with the ham hocks — use low-sodium broth and salt at the end.
Tips for the Best Crockpot Split Pea Soup
- Do not soak the split peas. They hydrate and break down during the cook. Soaking them turns the soup to paste by hour six.
- Salt at the end, not the beginning. Smoked ham hocks are salty, and their salt leaches into the broth as the soup cooks. Taste after the meat goes back in and adjust then.
- Pick through the dried peas before they go in. Small stones occasionally make it into the bag. It takes two minutes, and it matters.
- Nestle the ham hocks on the bottom of the pot. They release smoke and collagen into the broth as they simmer, and the peas settle around them.
- Eight hours on LOW is the window. Under seven and the peas stay grainy. Over ten and the soup turns to paste. The window is forgiving but real.
- Mash a portion of the peas against the side of the pot to thicken. This is the whole thickener. No roux, no cornstarch, no blender.
- Finish with lemon juice. Split pea soup is rich and smoky. One tablespoon of acid brightens the entire pot.
Troubleshooting
- The soup is too thin. The peas have not broken down enough, or the lid stayed on too long. Cook uncovered on HIGH for 20 to 30 minutes, stirring occasionally.
- The soup is too thick. It sat too long or the peas over-broke. Stir in chicken broth ½ cup at a time until it reaches your desired consistency.
- The soup tastes flat. It needs acid and salt, not more time. Add lemon juice and taste again before adding salt.
- The soup is too salty. The ham hocks were saltier than expected. Add 2 cups of unsalted broth or water and a diced potato, and simmer 20 minutes.
- The peas are still firm after 8 hours. The slow cooker ran cool, or the pot was overfilled. Cook on HIGH for another hour and check again.
- The ham hocks did not give up enough meat. Some brands have more meat than others. Add 12 oz of diced ham in the last 30 minutes to make up the difference.
- The soup turned to paste. It cooked too long. Thin it with broth and treat it as a thicker, heartier version — the flavor will still be good.
- The soup tastes greasy. The ham hocks released a lot of fat. Skim the surface with a spoon before serving, or refrigerate overnight and lift off the solid fat layer.
Easy Variations
- Easy Split Pea and Ham Soup. Add 12 oz of diced ham in the last 30 minutes along with the shredded hock meat. Protein rises to about 28g per bowl.
- Split Pea Soup with Hambone. Use a leftover ham bone from a holiday dinner in place of the ham hocks. Add 1 lb of diced ham to make up for the reduced meat yield.
- Vegan Split Pea Soup. Skip the ham hocks entirely and use vegetable broth. Add 1 tbsp smoked paprika, 1 tsp liquid smoke, and 1 tbsp olive oil for the richness the pork would have brought.
- Yellow Split Pea Soup. Substitute yellow split peas 1:1. The soup is slightly milder and sweeter, and it cooks in the same amount of time.
- Instant Pot Split Pea Soup with Ham. Sauté the aromatics using the sauté function. Add everything except the lemon and parsley, and pressure cook on high for 15 minutes. Natural release for 10 minutes, then shred the hocks and finish.
Storage and Food Safety
Refrigerator: Store in an airtight container for up to 4 days. The soup thickens considerably as it chills — thin with broth when reheating. Reheat gently on the stovetop over medium-low heat, or in the microwave for 2 minutes, stirring once.
Freezer: Freezes exceptionally well for up to 3 months. Cool completely, then freeze in individual portions or a large container. Thaw overnight in the refrigerator. Reheat on the stovetop with a splash of broth.
Make Ahead: You can make the soup up to 3 days ahead and refrigerate it. It tastes better on day two once the smoke and thyme have settled. Add the lemon juice and parsley when reheating.
Food Safety: Ham hocks are fully cooked and smoked, but they should still reach 165°F while simmering. Cool leftovers within 2 hours and refrigerate promptly. Reheat leftovers to 165°F. Do not leave the soup at room temperature for more than 2 hours.
Frequently Asked Questions
How much protein is in this split pea soup? About 19g per bowl from the split peas, ham hocks, and chicken broth. Adding 12 oz of diced ham brings it to about 28g.
Do I need to soak the split peas? No. Split peas hydrate and break down directly in the cooking liquid. Soaking them turns the soup to paste.
Can I use a leftover ham bone instead of ham hocks? Yes. A ham bone works beautifully and gives the same smoky depth. Add 1 lb of diced ham to make up for the reduced meat yield.
Can I make this vegan? Yes. Use vegetable broth and skip the ham hocks. Add 1 tbsp smoked paprika, 1 tsp liquid smoke, and 1 tbsp olive oil to replace the richness the pork would have brought.
Can I use yellow split peas? Yes. Yellow split peas work one-for-one and cook in the same amount of time.
Why is my soup not thickening? The peas have not broken down enough. Cook uncovered on HIGH for 20 to 30 minutes, or mash more of the peas against the side of the pot.
Can I make this in an Instant Pot? Yes. Sauté the aromatics, add everything except the lemon and parsley, and pressure cook on high for 15 minutes. Natural release for 10 minutes, then shred the hocks and finish.
How long does it last in the refrigerator? Up to 4 days. It thickens as it chills — thin with broth when reheating.
Can I freeze it? Yes, up to 3 months. Split pea soup freezes better than almost any soup.
Can I double the recipe? Yes. Use a 7- or 8-quart slow cooker and increase the broth to 12 cups. Add 1 hour to the cook time on LOW.
What do I serve with it? Serve with crusty bread, a simple green salad, or a grilled cheese sandwich.
Why is my soup too salty? Smoked ham hocks vary a lot in salt. Add unsalted broth or water and a diced potato, and simmer for 20 minutes. Next time, use ½ tsp of salt at the start instead of 1 tsp.
More High-Protein Crockpot Recipes You’ll Love
- Crockpot Minestrone Soup — 16–29g protein, pasta added at the end.
- French Onion Soup Recipe Crockpot — 22–38g protein, cheesy and hands-off.
- Corn Chowder Crockpot — 13g protein, creamy, no curdling.
- Crockpot Gumbo — 35g protein, real dark roux.
Conclusion
Split pea soup is one of the most forgiving things you can make in a slow cooker. No soaking, no roux, no blender. The peas thicken their own soup, the ham hocks season it, and eight hours later the pot is ready without anyone standing over it.
These three things make it taste like more than the sum of its parts. Bloom the smoked paprika and thyme in the fat before they go in. Salt at the end, because the ham hocks are already doing that work.
And finish with lemon juice, because a soup this rich and smoky needs acid to taste finished.
Nineteen grams of protein per bowl as written. Twenty-eight if you stir in diced ham. It feeds eight, freezes for three months, and tastes better on day two.
Build the pot in the morning. Come home to dinner that already smells like it has been cooking all day — because it has.
