Simple Chicken and Tomatoes Skillet with Garlic and Capers

Ingredients (11)

• 1 1/4 pounds boneless skinless chicken breasts (about 4 small or 3 medium breasts)
• 1 teaspoon kosher salt divided
• 1/2 teaspoon ground black pepper divided
• 2 tablespoons extra-virgin olive oil divided
• 1/2 medium red onion diced (about 1 cup)
• 1 tablespoon minced garlic about 3 cloves
• 4 cups grape tomatoes or other assorted tomatoes, or diced plum tomatoes, halved
• 1/4 cup drained capers
• 2 tablespoons red wine vinegar
• 1 teaspoon honey
• 1/4 cup chopped fresh parsley