Combine Italian dressing, oregano and basil, divide.
Marinate chicken thighs with half of the dressing mix for several hours and vegetables with the remaining dressing for half an hour.
Grill chicken, vegetables, and pineapple chunks.
Arrange on a skewer, cherry tomato 1st, top of bread, onion, bell pepper, chicken, bottom of bread, and a cherry tomato on the bottom to hold sandwich in place.
Stick into the pineapple top any style you like.
Serve with Lilikoi Aioli 1/4 cup mayonnaise
2 tbsp. lilikoi (passion fruit) preserves
Whisk together mayonnaise and preserves until smooth.