Few things annoy me more than the pseudo-truism that Universalists were the simple, earthy yokels while the Unitarians has cultivated such powers of the mind that they never touched the ground. (Much cheaper than buying boots, you know.) If I hear the terms "country mouse" and "Universalist" in the same sentence again, I shall surely scream.
As it happens, I have evidence of sophistication: the Universalist Clubs, information of which is fleeting. But obvious to say that don't bear much in common with today's UUMen.
The Universalist Clubs of New York and Rhode Island have dinner menus preserved in the New York Public Library Digital Gallery's delightful Menu Collection.
I have enough grasp of culinary French and cognates to see the New Yorkers ate quite well -- often at the "old Hotel St. Denis" on Broadway at 11th -- and the English-menued Rhode Islanders ate above par. (And better than the Unitarians.)