Corn chowder is the sweetest of the chowders and the only one where the main ingredient is at its best for about six weeks a year. Made in season with good corn it is genuinely excellent: sweet, smoky from the pork, thick with potato, and pale gold. Made in February with tired supermarket corn it is fine and forgettable.
Difficulty is easy. No stock to buy, no shellfish to handle, nothing to purge. About an hour.
The one technique that separates this from every other corn chowder is that you do not throw the cobs away. Stripped cobs simmered in water make a light corn stock in twenty minutes, and scraping them afterwards releases a starchy liquid that thickens the soup and tastes intensely of corn. Most recipes bin the cobs and then reach for flour. This one does the opposite.
This makes four servings.
Equipment
Three pieces do the work here, and I stock all three.
- 5 Quarts Round Dutch Oven with Lid. The cob stock and then the chowder, in the same pot. Heavy walls hold the low steady heat a cream soup needs.
- Large Capacity Stainless Steel Mixing Bowl with Scale. Cut the corn off the cobs standing the ear in this bowl and the kernels stay in it instead of across your kitchen. This is a real problem and a bowl is the real solution.
- Two-Tone XL Cutting Board, 18 by 12 Inch. For the potatoes, onion, and pork. Even potato dice is what makes a chowder thicken properly, and you cannot cut evenly on a crowded board.
You will also need a sharp knife, the back of a spoon or a butter knife for scraping cobs, a fine mesh strainer, and a wooden spoon.
Ingredients
- 6 ears fresh sweet corn, husked, kernels cut off and cobs reserved
- 4 cups water
- 4 ounces salt pork or thick cut bacon, cut in small dice
- 1 tablespoon unsalted butter
- 1 large onion, diced
- 2 ribs celery, diced
- 1 pound Yukon gold potatoes, cut in 1/2 inch dice
- 1 bay leaf
- 3 sprigs fresh thyme
- 1 cup heavy cream
- Salt and black pepper, to taste
- Fresh chives, chopped, for serving
Method
Before you start
Set up your mise en place. Dice everything and have the strainer ready. Once the potatoes are in this moves quickly.
Buy the corn as freshly picked as you can, and keep it cold. Sweet corn begins converting its sugar to starch the moment the ear leaves the stalk, and the loss runs roughly four times faster at 50F than at 32F. That is the entire difference between corn that tastes sweet and corn that tastes like starch. Buy from a refrigerated bin or an iced stand, look for tight green husks and moist silk, and put it straight in the fridge in the husk.
Cut the kernels off and keep every cob. Stand each ear upright in your mixing bowl and run the knife down the sides. Then go back over each stripped cob with the back of a spoon and scrape hard. What comes off is a thick starchy liquid, often called corn milk, and it is both a thickener and the most concentrated corn flavor on the ear. Keep it with the kernels.
Make the cob stock
Simmer the cobs. Break the stripped cobs in half, put them in the pot with the water, bring to a simmer, and hold it for 20 minutes. The liquid will turn faintly cloudy and smell distinctly of corn. There is no point going longer, as the cobs give up what they have quickly.
Strain and reserve. Pull the cobs out and discard them. You want about 3 cups. This is your stock, and it costs nothing.
Build the chowder
Render the salt pork. In the cleaned pot over low heat, cook the diced pork slowly until the fat runs out and the pieces are crisp and golden, about 8 minutes. Lift the pieces out and set them aside for the top. That rendered fat is what makes the soup taste smoky rather than merely sweet, and corn needs that contrast badly.
Sweat the vegetables. Add the butter to the pork fat, then the onion, celery, and bell pepper, and cook until soft and translucent with no color, about 8 minutes. Browning would push the whole thing toward a roasted flavor and fight the sweetness of the corn.
Add the potatoes and the stock. Stir in the potatoes, bay leaf, and thyme, then pour in the cob stock so the potatoes are just covered. Simmer until they give easily to a knife tip, about 12 minutes.
Crush a few potatoes against the side of the pot. Four or five is enough. They release starch and thicken the chowder from the inside, which together with the corn milk is why this recipe needs no flour at all.
Finish and serve
Add the corn late. Stir in the kernels and all the scraped corn milk and cook just until the kernels are hot and still have snap, about 4 minutes. Fresh corn needs almost no cooking. Boil it for twenty minutes and you will have thrown away the sweetness you paid for.
Add the cream and hold the heat down. Pour in the cream and bring the pot to no more than 180F, where the surface barely shivers. Do not let it boil once the cream is in, because it will separate and there is no fixing it.
Season. Taste before salting. Salt pork is cured and may have done the job already. Black pepper generously, since the sweetness needs something to push against.
Rest, then serve. Ten minutes off the heat improves it. Serve with the crisp pork scattered over and plenty of chives.
Making it vegetarian
Corn chowder is the easiest of these soups to make vegetarian, because the corn is doing the heavy lifting already. But you cannot simply leave the pork out and expect the same soup, since what you are removing is all of the smoke and most of the savoriness.
Replace the fat with butter. Use 3 tablespoons of butter in place of the rendered pork fat.
Replace the smoke deliberately. A teaspoon of smoked paprika added with the vegetables, or a chipotle in adobo, minced. This is the step that matters. Without it the soup tastes flat and sweet with nothing underneath.
Build back the savoriness. A dried mushroom or two simmered in the cob stock, or a teaspoon of miso stirred in at the end, gives you the depth the pork was providing.
For the top. Toasted pumpkin seeds or croutons fried in butter, in place of the crisp pork. Texture on top matters more than people think.
The cob stock is unchanged, and it is what makes the vegetarian version work at all.
Making it with frozen or canned corn
Out of season this is the honest choice, and there is a real difference between the two options that is worth knowing.
Frozen is the better substitute, and it is not a big compromise. Corn is blanched and frozen very soon after picking, which stops the sugar to starch conversion in its tracks. Analysis of sweet corn carbohydrates found that sucrose and total simple sugars were essentially unchanged by blanching and freezing, while canning reduced them significantly. In February, frozen corn is very likely sweeter than the fresh ears at your supermarket.
Use 4 cups of frozen kernels in place of 6 ears, added straight from frozen at the same late stage.
Canned works, with adjustments. Three 15 ounce cans, drained. Canned corn is softer and less sweet, so add it even later, only to warm through, and consider a teaspoon of sugar to compensate.
You lose the cobs, and that is the real cost. No cobs means no cob stock and no corn milk, which is the backbone of this recipe. Substitute 3 cups of light vegetable stock, and accept that this version will be thinner and less intensely corn flavored. If you have ever frozen cobs from summer corn, this is what they are for.
Adding crab or lobster
Corn and shellfish belong together, and this is the version worth cooking for company. The sweetness of corn and the sweetness of crab are different enough to be interesting side by side.
How much. 8 ounces of picked crab meat, or the meat from one 1 1/4 pound lobster, for four servings. More than that and the corn stops being the point.
Add it off the heat, at the very end. Both are already cooked. Two minutes covered, off the burner, is all they need. Anything more and you have expensive rubber in your soup.
Upgrade the stock if you can. If you are picking your own crab or lobster, sear the shells and simmer them with the corn cobs. Shell and cob together make a better stock than either alone, and it costs you nothing but the pot you were already using.
Adjust the seasoning. Go lighter on the smoked pork and heavier on the chives and black pepper, and add a squeeze of lemon at the end. Shellfish wants the acid.
Make ahead, storage, and reheating
Make ahead. The base through the potato stage is better a day ahead. Add the corn, cream, and any shellfish when you reheat, not before. The cob stock keeps three days refrigerated and freezes well on its own.
Refrigerating. 3 days. Cool it quickly rather than leaving the pot on the stove, since a large volume of dairy soup cooling slowly sits too long in the range where bacteria multiply fastest.
Freezing. Freeze the base before the cream and corn go in and it holds 3 months. Do not freeze the finished chowder. Cream separates on thawing and the potatoes go mealy.
Reheating. Low heat, stirring, never boiling. Corn that was properly crisp on day one will be softer on day two, which is unavoidable.
A short history
Corn is indigenous to the Americas and was domesticated in Mesoamerica thousands of years before Europeans arrived. It was the staple crop of Native agriculture across the continent, grown alongside beans and squash, and it was Native farmers who taught European colonists how to grow and use it. Every corn dish in American cooking, including this one, sits on that foundation.
Chowder arrived separately, with fishermen on the New England coast, and the word is contested. The usual account traces it to chaudiere, the French cauldron a communal stew was cooked in. Another traces it to jowter, an English dialect term for a fish seller. Neither is settled.
Corn chowder is what happened when the coastal chowder tradition moved inland, away from clams and fish, and met the crop that was already everywhere. It kept the structure exactly, which is why this recipe looks so much like clam chowder: salt pork, onion, potato, and dairy added in the nineteenth century. Only the main ingredient changed. It is also the most seasonal of the chowders by a wide margin, and traditionally a late summer dish for that reason.
Nutrition, estimated
Per serving, based on 4 servings.
| Calories | 590 |
| Total fat | 41 g |
| Saturated fat | 21 g |
| Cholesterol | 95 mg |
| Sodium | 400 mg |
| Total carbohydrate | 49 g |
| Dietary fiber | 5 g |
| Sugars | 11 g |
| Protein | 11 g |
These are estimates calculated from standard reference values for the listed quantities, not laboratory measurements. This is the highest carbohydrate and lowest protein soup in the set, which is simply what corn and potato are. Nearly all the sodium comes from the salt pork, so the vegetarian version is considerably lower. The figure does not include any salt added to taste.
References
- Postharvest Cooling and Handling of Sweet Corn, NC State Extension. The sugar to starch conversion in detail, including why sugar is lost about four times faster at 50F than at 32F.
- Sweet Corn, Colorado State University Food Source Information. Variety differences, why supersweet cultivars hold their sugar far longer than standard ones, and refrigerated storage life.
Related guides
- How to Butcher Crab, for picking your own crab and using the shells in the stock
- How to Butcher Lobster, for the lobster version
- How to Butcher a Pig, which covers the belly and fatback that salt pork comes from
Thank you
Thank you for cooking this. If you simmered the cobs and scraped them rather than binning them, you got roughly twice the corn flavor out of the same six ears, and that is the whole idea behind everything on this site.
If you make it, I would like to hear how it went, and especially what you changed. Tell me here.
If this one worked for you, clam chowder and seafood chowder use the same salt pork and potato base with the sea instead of the field.
Cook Bolder, Serve Wiser, Eat Better.
Chef Alan, 35 years in professional kitchens and a six-time Four Diamond chef
Wine Drop Cookery