Prep: 15 minutes. Buy precooked shrimp at the seafood market or in the seafood department of the grocery store.
Combine first 4 ingredients in a medium bowl, stirring with a whisk. Add shrimp, celery, and green onions.
Top each bread slice with 1/2 cup lettuce. Top lettuce with about 1 cup shrimp mixture.
Cooking Light Superfast Suppers
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