Keshi Yena Aruba

Name: Keshi Yena (Aruba)
Ingredients: 1 large onion; 4 tablespoons butter; 2 cups diced cooked chicken; 1 large tomatoes, peeled and chopped; 2 dill pickles, minced; 1 large green pepper, seeded and finely chopped; 8 large stuffed green olives, sliced; 1 1⁄2 tablespoons garlic, minced; 1 tablespoon capers, rinsed; 1⁄4 cup golden raisin; 1 tablespoon prepared mustard; 1⁄2 cup ketchup; 1⁄2 teaspoon Worcestershire sauce; 1 cup chopped cashews; 1 teaspoon fresh thyme, minced; 1 lb gouda cheese, sliced