Sauteed Chicken Breast with Artichokes and Peppers

Name: Sauteed Chicken Breast with Artichokes and Peppers
Ingredients: 4 teaspoons extra-virgin olive oil; 4 boneless skinless chicken breasts (about 6 ounces each); Kosher salt and freshly ground black pepper; 1 onion, halved and sliced; 4 cloves garlic, smashed; 2 sprigs fresh thyme, leaves stripped; 1 1/2 cups jarred marinated artichokes, drained and patted dry; 1/2 cup jarred roasted red peppers, sliced into strips; 2 tablespoons dry vermouth; 1 cup chicken broth, homemade or low-sodium canned; 1 to 2 tablespoons unsalted butter; 1/4 cup flat leaf parsley leaves