Foods that have been found to be traditionally used for Litha are:
Ale, Berries, Cheese, Cinnamon (any food made with cinnamon), Grapes, Honey, Honey Cakes, Iced Tea, Lemons, Lemonade, Mead, Milk (for the fairies), Mint Tea, Oranges, Peaches, Pears, Pine Nuts, Pumpernickle Bread, Spinach, Summer Greens, Summer Squash, Sun Tea, Sunflower Seeds, Sun-Dried Tomatoes, Wine

*Some of this information was taken from Llewellyn’s Sabbat Essentials Midsummer*