An American seafood seasoning built on celery salt, paprika and black pepper, with mustard, bay, cayenne and several warm spices behind them.
What it does in a recipe: Salt, mild heat and a celery-led savoury aroma in one — it seasons and spices a dish simultaneously, so it affects the salt balance. Pick the swap that covers that job — the ratios below are written so you can act on them without doing any arithmetic.
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Quick answer
Homemade blend
1 tbsp Old Bay = 1 tsp celery salt + 1 tsp paprika + 1/2 tsp ground black pepper + 1/4 tsp cayenne + 1/4 tsp mustard powder + a pinch each of ground bay, ginger and allspice
All substitutes, best first
4 ways to replace old bay seasoning
Homemade blend
Closest match
1 tbsp Old Bay = 1 tsp celery salt + 1 tsp paprika + 1/2 tsp ground black pepper + 1/4 tsp cayenne + 1/4 tsp mustard powder + a pinch each of ground bay, ginger and allspice
Celery salt and paprika make up most of the blend, and the small warm-spice additions supply the background that separates it from plain seasoned salt.
MethodMix thoroughly and taste the dish before adding further salt, since the celery salt is doing that job already.
Trade-offClose, and adjustable. Grinding a dried bay leaf finely is the fiddliest part and can be skipped without much loss.
1 tbsp Old Bay = 1 tbsp Cajun seasoning, and taste before adding any salt
Both are salted paprika-and-pepper blends built for seafood, so they occupy the same position in a recipe even though the herb and heat balance differs.
Trade-offHotter, more garlicky and herb-forward, with no celery note. A crab boil will taste Louisiana rather than Chesapeake.
Allergen checkBoth are commercial seasoning blends whose fillers and anti-caking agents vary by brand, and wheat-derived starches appear in some. A few Cajun blends also carry milk solids or shared-line warnings. Read the label before serving to anyone with a restriction, and confirm a diagnosed allergy with the manufacturer.
Celery salt with cayenne
In a pinch
1 tbsp Old Bay = 2 tsp celery salt + 1/4 tsp cayenne
Celery salt is the defining note and cayenne supplies the low heat, giving the two things that identify the blend most quickly.
Trade-offNo paprika means no red colour and less body, so seasoned fries or shrimp will look pale and taste thinner.
Old Bay is salty enough that it should be counted as part of a recipe's salt rather than added on top of it. Season the dish with the blend first and taste before reaching for the salt cellar.
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.