Easy Grilled Chicken Sandwiches

Ingredients

• 4 boneless, skinless chicken breasts, rinsed
• 2 cloves fresh garlic, minced
• 2 sprigs fresh rosemary
• 1 teaspoon dried oregano
• 1 teaspoon dried parsley
• 1/2 teaspoon dried onion powder
• 1/2 teaspoon cayenne pepper (optional)
• Salt and pepper to taste
• 2 tablespoons olive oil
• 4 Portuguese/hard rolls, cut in half
• mayonnaise, as desired
• lettuce, as desired
• 1 small tomato, sliced