Question : SQL Query the excludes criteria

I can't seem to get the right results from my query.
I want the name of all recipes that do not use salt as an ingredient. I made up this query:
SELECT Recipes.RecipeName
FROM Recipes INNER JOIN Ingredients ON Recipes.RecipeId = Ingredients.RecipeID
WHERE Ingredient Not In ('salt')
GROUP BY Recipes.RecipeName;

But it still returns the recipe names that have have salt as an ingredient. Can't figure what's up. I'm using SQL Enterprise 2000.
Thank-you for all of your help,

Answer : SQL Query the excludes criteria

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