Thaw K&N's Pastrami Strips as per instructions on pack.
Grease a pan or sandwich press with olive oil and grill bread slices on both sides.
Spread mustard on half the slices of bread and garlic mayonnaise on the other half.
Layer mustard spread slices with pineapple, olives, avocados and Pastrami Strips and sprinkle with parsley.
Top with the bread slice with mayonnaise spread side facing downwards.