This recipe, calling for fresh, steamed tuna in place of canned, comes from Bromberg Bros. Blue Ribbon Cookbook by Bruce Bromberg, Eric Bromberg, and Melissa Clark (Clarkson Potter, 2010). This recipe first appeared in our April 2011 special Sandwich Issue with the article Salad Days.
Kosher salt and freshly ground black pepper, to taste
Bring 1″ of water to a boil in a large pot; place tuna filets in a steamer basket, and place in pot. Cover pot and cook tuna until cooked through but slightly pink in the center, 10–12 minutes. Remove from pot and let cool.
Flake tuna into bite-size pieces and transfer to a large bowl, along with mayonnaise, onion, parsley, capers, lemon juice, salt, and pepper. Toss to combine, and chill before serving.
**Correction: August 22, 2011 The online version of this recipe omitted the tuna from the ingredients list. The correct amount of tuna required is 4 6-oz tuna filets, as written in the print version.