The baskets are filled with retro ingredients, which have the competitors and the judges thinking back on bygone eras and savoring flavor memories. In the first basket, a familiar can and a space-age beverage are two of the foods that transport them back in time. Something frozen in time and something nostalgically spherical are part of the challenge in round two, and a refreshment named for a movie legend is one of the throwback ingredients in the dessert basket.