6 tablespoons olive oil 2 lemons, 1 thinly sliced, 1 juiced 4 cloves garlic, minced 1 teaspoon kosher salt 1/2 teaspoon freshly ground black pepper 3/4 pound trimmed green beans subbing 2 sweet potato, cut up into smaller pieces for red skin potato 4 chicken breasts (bones left in, with skin, about 3 1/4 pounds)