Easy Chicken with broth

2 skinless, boneless chicken breast halves 1/4 teaspoon salt, or as needed 3 tablespoons all-purpose flour 2 tablespoons cornstarch 1 teaspoon salt 1/2[...]

2 tablespoons butter 1 large yellow onion, chopped 2 cloves garlic, minced 1 pound boneless chicken thighs 1 cup low-sodium chicken broth 1 (10 ounce) package[...]