Greek Chicken Chili (no beans)

Name: Greek Chicken Chili (no beans)
Ingredients: 1 small red onion, diced; 2 cloves garlic, minced or pressed; 2 tbsp Greek seasoning; 1 tsp sea salt; 1 large green or red bell pepper, diced; 1 lb boneless, skinless chicken breast; 1 cup chicken broth; Optional toppings: cherry tomatoes, green olives, feta crumbles