Shrimp Salad

Veracruzans prize seafood salads made with either medleys of different kinds or one particular variety. The version I give here, a good appetizer or first course, is based on my own happy experiences with many Veracruzan ensaladas de mariscos.

In dishes garnished with raw onion, like this, I really value the freshness of Mexican onions, which are used much sooner after pulling than our common storage onions. Often they are like the middling-sized pearly white onions with gree