Baked Chicken with butter

3 tablespoons maple syrup 2 tablespoons peach preserves 1/2 teaspoon Worcestershire sauce 2 bone-in skin-on chicken breasts (1 lb) 1/4 teaspoon salt 1/4[...]

4 tablespoons butter , divided 3 tablespoons olive oil , divided 1 lb boneless chicken breast , cut into cubes coarse salt and fresh black pepper 1 teaspoon[...]