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How to make seafood sauce
Combine 12 tablespoons (180 ml) ketchup , 4 tablespoons horseradish, and 4 tablespoons lemon juice in a medium-sized bowl.
Stir vigorously.
Add celery salt and tabasco sauce to taste.
Refrigerate for one hour to chill and then serve. Optionally, add lemon wedges to the dish so guests can squeeze in extra flavor.