Barbecue Chicken with Warm Mustard Potato Salad

Chicken Breast, Onion, Garlic, Green Bell Pepper, Tomato, Red Wine Vinegar, Mustard Seed, Brown Sugar, Molasses, Kosher Salt, Black Pepper, Smoked Chicken Stock (Chicken Breast, Pecan Wood Smoking Chips), Chipotle Peppers en Adobo Sauce (Chipotle Peppers, Water, Tomato Puree, Vinegar, Salt, Sugar, Garlic, Soybean Oil), Lemon Juice, Grapeseed Oil, Rendered Bacon Fat, Onion, Green Bell Pepper, Honey, Russet Potatoes, Salt, Pepper, Parsley, Mustard Seed