Alice Springs Chicken

Name: Alice Springs Chicken
Ingredients: 4 skinless, boneless chicken breasts ((6 ounces each)); 1 teaspoon seasoning salt ((such as Lawry's)); 1/4 teaspoon garlic powder; 1/2 cup Dijon mustard; 1/3 cup honey; 1/4 cup mayonnaise; 2 teaspoons Worcestershire sauce; 1 tablespoon dried onion flakes; 6 slices bacon (, cut in half); 2 cups sliced fresh mushrooms; 2 cups freshly shredded Colby-Jack cheese; 2 tablespoons chopped fresh parsley; baked potato (, for serving); roasted broccoli (, for serving)