Homemade tuna sandwich spread vote now PreviousNext OtherVery Easy15 min Send this recipe to a friend Print this page Ask a question to the author Post your photo of this recipe Ingredients 4 One can or 184 g (net weight) of whole tuna in water, to be drained and flaked, should be enough. - about ¾ cup good mayonnaise 2 tablespoons sweet pickle relish 1 small onion, peeled and finely minced ½ teaspoon salt or to taste ¾ teaspoon sugar or to taste ¼ teaspoon white pepper. View the directions