A crisp, high-water stalk vegetable with a saline, faintly bitter flavour. One of the three vegetables in a classic mirepoix.
What it does in a recipe: A savoury, slightly salty aromatic that adds vegetal depth and crunch, and a great deal of water to a braise. Pick the swap that covers that job - the ratios below are written so you can act on them without doing any arithmetic.
Also called: Celery stalk, Celery rib
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Quick answer
Fennel bulb
1 celery stalk (about 1/2 cup diced) = 1/2 cup diced fennel bulb
All substitutes, best first
4 ways to replace celery
Fennel bulb
Reliable
1 celery stalk (about 1/2 cup diced) = 1/2 cup diced fennel bulb
Fennel has almost the same water content and crisp layered structure, so it behaves identically in the pan and gives the same body to a soffritto.
Trade-offAdds a clear anise note that celery does not have. In a tomato sauce this is an improvement; in a chicken soup it is a different soup.
1 celery stalk (about 1/2 cup diced) = 1/2 cup diced green bell pepper
It matches celery's grassy bitterness and high water content, which is why the Louisiana trinity uses it in place of the French mirepoix's celery ratio.
Trade-offMore assertive and slightly sweeter, and it softens more completely, so you lose celery's residual bite.
The seed carries the same aromatic compounds in intensely concentrated form, so a pinch delivers the flavour while contributing no bulk at all.
MethodCrush the seeds lightly and add them early so they have time to soften and disperse.
Trade-offFlavour only, no water and no texture. A stock will taste right and a stuffing or a tuna salad will be missing the crunch that was the reason celery was there.
The pale inner stalks and leaves are far more tender and more strongly flavoured than the outer ribs. If you have them, use the leaves as a herb rather than throwing them out.
At a glance
Celery in summary
Celery at a glance: category, its job in a recipe, the diets it suits, the diets its substitutes can satisfy, and how many substitutes there are.
1 celery stalk (about 1/2 cup diced) = 1/2 cup diced fennel bulb. Fennel has almost the same water content and crisp layered structure, so it behaves identically in the pan and gives the same body to a soffritto. Adds a clear anise note that celery does not have. In a tomato sauce this is an improvement; in a chicken soup it is a different soup.
Can I use green bell pepper instead of celery?
1 celery stalk (about 1/2 cup diced) = 1/2 cup diced green bell pepper. It matches celery's grassy bitterness and high water content, which is why the Louisiana trinity uses it in place of the French mirepoix's celery ratio. More assertive and slightly sweeter, and it softens more completely, so you lose celery's residual bite.
Can I use bok choy stems instead of celery?
1 celery stalk (about 1/2 cup diced) = 1/2 cup sliced bok choy stems. The white ribs are structurally almost identical to celery - the same crisp, watery cell walls that collapse at about the same rate under heat. Much milder and slightly sweet, so it contributes texture more than flavour.
Can I use celery seed instead of celery?
1 celery stalk (about 1/2 cup diced) = 1/4 tsp celery seed. The seed carries the same aromatic compounds in intensely concentrated form, so a pinch delivers the flavour while contributing no bulk at all. Flavour only, no water and no texture. A stock will taste right and a stuffing or a tuna salad will be missing the crunch that was the reason celery was there.
Cooking around an allergy? Diet tags here describe the ingredient itself, not any particular brand. Processed products change formulation without notice and shared production lines are common, so read the label on everything you use. A severe allergy is a medical matter - confirm with the manufacturer or your clinician rather than relying on a substitution chart.