For those who love seared tuna, this is the perfect sandwich for you. Hearty, fresh and oh-so tasty!
According to Psychology Today, a team of California researchers has found that a diet rich in fatty oils from cold-water fish can halt the progression of dementia, including those who may be genetically predisposed to Alzheimer’s disease.
Recipe and Photography by Rose Reisman
Ahi Tuna Club

Ingredients
- 8 oz - raw ahi tuna
- 1 TBSP - sesame seeds
- 8 - slices crusty bread (1/2 inch/1cm thick)
- 1/3 cup store bought or homemade guacamole
- 1 TBSP - reduced-fat mayonnaise
- 1 TSP - wasabi
- 2 TBSP - chopped cilantro
- 12 - thin slices plum tomato
- 4 - pieces prosciutto
- 1/3 cup - baby spinach leaves
Instructions
- 1 Dip the tuna in sesame seeds, and in a hot skillet sprayed with vegetable oil, sear the tuna for about 2 minutes per side, depending upon the thickness. The tuna will continue to cook after searing. Remove from the heat, cool, then thinly slice.
- 2 Toast the bread slices.
- 3 Combine the guacamole, mayonnaise, wasabi and cilantro. Spread over the bread slices. Place the tomato slices, prosciutto and spinach leaves on 4 slices of the bread. Add the tuna. Place the other bread slices overtop and serve.
Notes
Tips:
For those who love seared tuna, this is the perfect sandwich for you. Overcooking fresh tuna results in a dry texture.
Make Ahead:Cook the tuna early in the day, refrigerate and slice before using. Assemble the sandwich just before serving.
Recipe Credits: Source: The Best of Rose Reisman (Whitecap Books) By: Rose Reisman Photo: Mike McColl, from The Best of Rose Reisman (Whitecap Books)