Nutrition Snapshot
- No salt goes into this dressing, which puts it far under the sodium in almost any bottled version.
- Oil, vinegar, and seasoning are naturally low in potassium and phosphorus, so this fits a kidney eating plan.
- The sweet tangy flavor comes from real added sugar, so use the allulose swap in the notes.
Two tablespoons of bottled dressing can hold more sodium than a one ounce bag of chips, and it goes on vegetables that had almost none. The versions labeled light often add sugar to make up for the fat they left out.
This one takes five minutes of work in a jar, plus half an hour in the refrigerator while the celery seed and onion flavor the oil. Olive oil, vinegar, a little sugar, grated onion, celery seed, dry mustard, and black pepper give you the sweet tangy flavor of the classic dressing without any added salt.
Most Bottled Dressings Carry More Sodium Than the Salad Under Them
Sodium and Fluid Move Together
When the kidneys are working with less capacity, they clear less sodium from the blood, and the body retains more water with it. That shows up as swollen ankles, a higher reading on the top number of a blood pressure cuff, and shortness of breath.
A salad is an easy place to take sodium out, because almost all of it comes from the dressing. The vegetables underneath have very little.
Phosphate Additives on the Label
Some bottled dressings carry added phosphates, which show up on the label as ingredients with phos in the name. Added phosphate is absorbed far more completely than the phosphorus that occurs naturally in food. That is why the ingredient list matters as much as the nutrition panel when you are choosing a dressing on a kidney eating plan. A dressing you shake at home has none of it.
Potassium Salt Substitutes
Some low sodium dressings replace salt with potassium chloride. That lowers the sodium, and for most people the extra potassium is helpful.
It is the wrong trade for anyone with reduced kidney function or anyone on a potassium restriction. The same goes for anyone taking a potassium raising blood pressure medication, such as an ACE inhibitor, an ARB, or a potassium sparing diuretic. This dressing gets its flavor from vinegar, onion, and celery seed instead.
What’s in a Serving
A serving is mostly olive oil, which is where the calories and the monounsaturated fat come from. The added sugar works out to about three quarters of a teaspoon per serving, since two tablespoons are spread across the whole jar.
Sodium comes only from what occurs naturally in the vinegar and the onion, which is close to nothing. Potassium and phosphorus stay low for the same reason: there is no dairy, no cheese, no bouillon, and no phosphate additive. The recipe card below shows the calculated figures for a two tablespoon serving.
Celery Seed and Grated Onion Replace the Salt
Celery Seed
Celery seed comes from a wild relative of the celery in the produce aisle, and it tastes like celery concentrated down to a sharp, slightly bitter edge. One teaspoon flavors the whole jar. Buy it whole rather than ground, since the whole seed holds its aroma for a year or more in a closed container.
Celery salt is a different product. It is celery seed blended with fine salt, and using it here would add back the salt the recipe leaves out.
The Oil
Extra virgin olive oil gives the dressing its body and a peppery finish. A milder oil such as avocado oil works if you want the celery seed to come forward. Olive oil turns cloudy and thick in the refrigerator. That is normal. Ten minutes on the counter and it pours again.
The Dry Mustard
A teaspoon of ground dry mustard does two things here. It adds a faint heat behind the sweetness, and it holds the oil and vinegar together a little longer between shakes. That is the same reason the Dijon swap below makes the dressing creamier still.
The Vinegar
Apple cider vinegar has a little fruit sweetness that suits this dressing. White wine vinegar and plain white vinegar both work. Rice vinegar is milder, so add an extra teaspoon if you use it.
The Onion
Grate the onion rather than chopping it. Grating breaks the cells open and releases the juice. That juice spreads onion flavor through the whole jar of oil. Chopped onion settles at the bottom in crunchy pieces instead. A yellow or sweet onion tastes milder here than a red one.
Who This Fits, and Who Keeps the Portion Small
This dressing suits anyone told to bring sodium down, including people managing kidney disease, high blood pressure, or heart failure. The low potassium and low phosphorus make it a fit for a kidney eating plan specifically, where the sodium and the phosphate additives in bottled dressings are the usual problem.
Go easy if you are watching added sugar closely. Three quarters of a teaspoon a serving is small, and it adds up if you dress a salad heavily or eat salad twice a day. The allulose version below has no added sugar at all.
How to Make It Your Own
The base is a jar of oil, vinegar, and seasoning, so it takes changes well. Fresh dill or parsley, a clove of grated garlic, or a spoon of Dijon all fit without changing the method. A teaspoon of poppy seed alongside the celery seed gives you the classic sweet and sour dressing served over spinach and strawberries.
Swaps Recap
- Lower sodium: the recipe has no added salt as written. Skip any salt substitute, since most of them are potassium based.
- Lower sugar: use allulose in place of the sugar, measure for measure, since it dissolves much like sugar does. A monk fruit blend works too, following the package to match two tablespoons of sugar.
- Dairy free: the recipe is dairy free as written.
- Nut free: the recipe is nut free as written.
- Creamier: whisk in a tablespoon of Dijon mustard, which holds the oil and vinegar together longer between shakes.
Storage and Make-Ahead
The dressing keeps two weeks in a covered jar in the refrigerator. The flavor is better on day two, once the onion and celery seed have moved into the oil. Shake it hard before every pour, because oil and vinegar separate as the jar stands.
Double the batch in a quart jar with a tight lid, so there is room to shake it hard. Set the jar on the counter for ten minutes before dinner so the olive oil loosens, then shake and pour.
Celery Seed Dressing
Equipment
- Glass Jar With Lid
- Box Grater
- Measuring Spoons
Ingredients
- 1/2 cup olive oil extra virgin
- 1/4 cup apple cider vinegar
- 2 tablespoons sugar granulated
- 1 tablespoon onion yellow, finely grated
- 1 teaspoon celery seed whole
- 1 teaspoon mustard ground dry
- 1/4 teaspoon black pepper ground
Instructions
- Grate the onion on the fine side of a box grater into a small bowl.
- Put the sugar into a pint jar.
- Add the celery seed, ground mustard, and black pepper to the jar.
- Pour the vinegar into the jar.
- Screw the lid on and shake for 15 seconds, until the sugar dissolves.
- Add the grated onion and any juice left in the bowl.
- Pour in the olive oil.
- Shake hard for 30 seconds, until the dressing looks cloudy and slightly thickened.
- Taste the dressing and shake in another teaspoon of vinegar if the flavor is flat.
- Refrigerate the jar for 30 minutes so the celery seed and onion flavor the oil.
- Shake the jar again right before pouring, since the oil and vinegar separate as it stands.
Notes
Nutrition
A Jar of Celery Seed Dressing Keeps a Salad Kidney Friendly
Salad is one of the easiest things to eat more of, and the dressing is usually what disqualifies it on a kidney eating plan. This version takes five minutes and costs pennies a serving. It has no added salt, no phosphate additive, and no potassium chloride. Keep the pour to about two tablespoons and the sugar stays small.
Serve It With
This dressing is at its best on crisp greens with cucumber, radish, and shredded carrot. Toss it with shredded cabbage for a quick slaw, or spoon it over cold cooked green beans. A few ounces of grilled chicken turn that salad into dinner.
For another side that skips the mayonnaise, see Easy Cilantro Lime Coleslaw for a Low-Sodium, Heart-Healthy Side. When you want something creamy on the greens, the Creamy Coconut Curry Dressing works the same way in a jar. Read its ingredient list for salt first if you are counting sodium closely.

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