Slow Cooker Chicken Cacciatore Tender chicken thighs simmered in a savory tomato-and-pepper sauce Ingredients: - 4 boneless, skinless chicken thighs - 1 medium onion, thinly sliced - 1 red bell pepper, thinly sliced - 1 green bell pepper, thinly sliced - 3 garlic cloves, minced - 1 can (14.5 oz) diced tomatoes - 1 cup chicken broth - 1 tablespoon tomato paste - 1 teaspoon dried oregano - 1 teaspoon dried basil - ½ teaspoon crushed red pepper flakes (optional) - Salt and freshly ground black pepp