How did ambrosia be pooular in the the south?

Ambrosia. A dessert made from fruits, sugar and grated coconut, most popular in the South.

Culinary evidence confirms three points:

"The rural South of the seventeenth and eighteenth centuries produced few cities outside of ports like Baltimore, Charleston, and New Orleans. Travel was difficult. Lonesome homesteads and plantations were far apart. Guests expected to visit for days if not weeks. Not only did they need to rest, but they brought news and entertainment to isolated families. Chickens and pork were served in every possible fashion. Salted, smoked country hams were boiled and baked and served with beaten biscuits. Greens and their potliquor were served with cornbread. Desserts featured ambrosia, trifles, sweet potato and pecan pies. Barbecues, and fish feasts drew distant neighbors together. At oyster roasts, oysters were steamed, fried, stewed, served in patties or just raw."

Recipes specifically titled ambrosia begin to appear in American cookbooks in the last quarter of the 19th century.
Prior to this time there were several recipes that would produce somewhat similar results, listed under different names: iced oranges. The key ingredient that separates these from "true" ambrosia is cocoanut. Mariani tells us that dried coconut meats were known to American cooks at least since 1830 and that in the early part of the twentieth century they were extremely popular.
There are many variations of the recipe for ambrosia."

"Ambrosia is also the name of a type of a fruit salad particularly popular in the American south. Most likely the name comes from the inclusion of coconut and tropical fruits, which were probably considered "exotic" many years ago. Ambrosia is made by alternating layers of fruit- usually orange segments, sliced bananas, chopped pineapple, and grapes- with layers of sweetened shredded coconut. Orange juice is poured over the top and the dessert is left to chill for several hours. Another variation takes the same ingredients (cut fruit and coconut) and folds them into whipped cream."

"Ambrosia, a Christmas dinner dessert made by layering sliced oranges, sugar, and grated coconut in a glass bowl, was a Southern dish with origins during the plantation era. Hawaiian-style Ambrosia combines pineapple, honey, and coconut layered in a glass bowl."

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