Mediterranean Tuna Sandwich

Mentally transport yourself to the Mediterranean while enjoying this gratifying combination of brain-boosting nutrients.
Serves 4

For even more brain-healthy ingredients add cucumber slices to the sandwiches

Ingredients: 
  • 1/4 cup extra virgin olive oil
  • 1/2 cup red wine vinegar
  • 1 teaspoon salt
  • 1/2 teaspoon cracked black pepper
  • 8 slices fresh whole grain bread
  • 1 red onion, sliced very thinly
  • 1 tomato, chopped
  • 2 cans albacore tuna in water, drained
  • 2 tablespoons capers
  • 1 cup spinach leaves, chopped
  • 2 cloves garlic, sliced lengthwise
Preparation: 
  • Preheat oven to 350.
  • Whisk oil and vinegar in a bowl together with salt and pepper, and marinate onion slices and tomatoes in it for about 10 minutes.
  • Meanwhile, rub cut side of garlic onto bread and toast bread slices. Set aside.
  • Remove tomatoes and onions from marinade and put into a larger bowl, reserving marinade. Combine tuna, capers, and spinach with tomatoes and onions.
  • Divide tuna mixture among 4 slices of bread. Drizzle with a bit of the reserved marinade and top with remaining bread slices.