Walnut Brownie With Chocolate Flavored Icing and Sprinkles

Walnut Brownie (Sugar, Bleached Wheat Flour, Soybean Oil, Water, Walnuts, Alkalized Cocoa, Palm Oil, Contains 2% Or Less Of: Baking Soda, Cornstarch, Defatted Soy Flour, Egg Whites, Egg Yolks, Flour, Folic Acid, Iron, Niacin, Riboflavin, Salt, Thiamine Mononitrate, Whey), Chocolate Icing (Sugar, Corn Syrup, Palm Oil, Water, Cocoa Processed With Alkali, Soybean Oil, Contains 2% Or Less Of: Caramel Color, Mono- & Diglycerides, Natural & Artificial Flavor, Polysorbate 60, Preservatives (Sodium Propionate, Sorbic Acid), Salt, Soy Lecithin), Sprinkles (Sugar, Hydrogenated Palm Kernel Oil, Cornstarch, Sunflower Lecithin, Color (Beet Juice, Annatto Extract, Yellow 6 Lake, Yellow 5 Lake, Blue 1 Lake, Paprika Oleoresin), Maltodextrin, Carnauba Wax, Vanillin, Cellulose Gum)