In a large bowl, combine Irish potatoes, carrots, string beans, Grace Whole Kernel Corn, 1/4 cup green, 1/4 cup red and 1/4 cup yellow sweet peppers and mix well.
In another bowl, make the salad dressing by combining scotch bonnet pepper, onion, parsley, Grace Vinegar, sugar and Grace Mayonnaise. Mix well and set aside.
Flake the mackerel and add to the potato mixture.
Add raisins and peanuts to the mixture.
Pour dressing onto the potato mixture and mix well.
Arrange lettuce leaves on the base of a salad bowl, then scrape on the potato salad.
Garnish with remaining red, green and yellow sweet peppers and tomato wedges.
RECIPE NOTE: Flake- to break into small pieces.